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141
FNUS54 KMRX 211902
FWFMRX
Fire Weather Planning Forecast for East Tennessee...Southwest
Virginia...and Extreme Southwest North Carolina
National Weather Service Morristown TN
302 PM EDT Thu May 21 2026
.DISCUSSION...
A wet and unsettled weather pattern will continue through the
weekend. Periods of showers and afternoon thunderstorms are
anticipated each day, especially during the afternoon and early
evening hours. Lightning, heavy rain, and gusty winds can be
expected during any thunderstorm.
VAZ001-222015-
Lee-
Including the city of Rose Hill
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 58-63 (-1) 73-78 (+4) 58-63 74-79
RH % (24h trend) 95-100 (0) 72-77 (-7) 95-100 74-79
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SE 7 S 10
PM 20FT Wnd (mph) E 6 S 8 SE 12 S 7
Transport Wnd (mph) E 5 S 13 SE 10 SW 15
Mixing Hgt(ft-agl) 450 2680 450 2660
Vent Rate (mph-ft) 2250 34840 4500 39900
Max Dispersion Early 3 Very Poor 25 Fair 5 Very Poor 32 Fair
Max Dispersion Late 3 Very Poor 28 Fair 6 Very Poor 35 Fair
Category Day 1 3 1 3
Max LVORI Early 8 9 7 9
Max LVORI Late 9 4 9 4
Precip Chance (%) 60 90 90 100
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 4 4 8
Precip Amount 0.05 0.30 0.34 0.17
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 50 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. South winds less
than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 70 percent. Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southwest winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 83 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. East winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 72 percent. Southwest winds less than
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. East winds less
than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 66 percent. Northwest
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
VAZ002-222015-
Wise-
Including the cities of Big Stone Gap, Norton, Wise, Coeburn,
Appalachia, and Pardee
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 57-62 (-1) 70-75 (+4) 57-62 72-77
RH % (24h trend) 95-100 (+1) 73-78 (-11) 95-100 74-79
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 8 S 13
PM 20FT Wnd (mph) E 6 S 9 SE 15 S 9
Transport Wnd (mph) E 6 S 14 S 13 SW 16
Mixing Hgt(ft-agl) 450 2780 470 2890
Vent Rate (mph-ft) 2700 38920 6110 46240
Max Dispersion Early 4 Very Poor 31 Fair 7 Poor 39 Fair
Max Dispersion Late 5 Very Poor 34 Fair 7 Poor 43 Gen Good
Category Day 1 3 1 3
Max LVORI Early 7 9 6 7
Max LVORI Late 9 4 8 4
Precip Chance (%) 60 80 80 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 3 8
Precip Amount 0.09 0.20 0.24 0.12
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 50 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. South winds less
than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 69 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 70s. Minimum RH 84 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 74 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. South winds less
than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 75 percent. Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. South winds less
than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 67 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
VAZ005-222015-
Scott VA-
Including the city of Hiltons
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 60-65 (-1) 74-79 (+4) 59-64 74-79
RH % (24h trend) 95-100 (+1) 69-74 (-9) 95-100 74-79
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SE 7 S 11
PM 20FT Wnd (mph) E 7 S 8 SE 11 S 8
Transport Wnd (mph) E 6 S 12 SE 9 SW 14
Mixing Hgt(ft-agl) 450 2870 420 2910
Vent Rate (mph-ft) 2700 34440 3780 40740
Max Dispersion Early 3 Very Poor 27 Fair 4 Very Poor 32 Fair
Max Dispersion Late 3 Very Poor 27 Fair 4 Very Poor 36 Fair
Category Day 1 3 1 3
Max LVORI Early 7 9 6 8
Max LVORI Late 9 4 9 4
Precip Chance (%) 60 90 90 100
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 5 8
Precip Amount 0.03 0.26 0.26 0.16
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 40 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southwest winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 84 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. East winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 73 percent. Southwest winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. South winds less
than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 67 percent. West winds
less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
VAZ006-222015-
Russell-
Including the cities of Hansonville, Lebanon, Dye, Castlewood,
Honaker, and Rosedale
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 59-64 (-2) 70-75 (+2) 58-63 72-77
RH % (24h trend) 95-100 (+3) 71-76 (-9) 95-100 75-80
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SE 12 S 13
PM 20FT Wnd (mph) E 11 S 11 SE 18 S 8
Transport Wnd (mph) E 6 S 14 S 10 SW 16
Mixing Hgt(ft-agl) 450 2920 460 2950
Vent Rate (mph-ft) 2700 40880 4600 47200
Max Dispersion Early 4 Very Poor 34 Fair 6 Very Poor 38 Fair
Max Dispersion Late 5 Very Poor 29 Fair 6 Very Poor 40 Fair
Category Day 1 3 1 3
Max LVORI Early 7 7 5 7
Max LVORI Late 7 4 7 4
Precip Chance (%) 70 80 70 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 2 5
Precip Amount 0.05 0.16 0.10 0.14
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 40 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 69 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 83 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Southeast winds
less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 75 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Southeast winds
less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 76 percent. Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 67 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
VAZ008-222015-
Washington VA-
Including the cities of Benhams, Bristol VA, and Abingdon
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 57-62 (-2) 71-76 (+1) 56-61 73-78
RH % (24h trend) 95-100 (+2) 64-69 (-11) 95-100 70-75
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SE 11 SE 12
PM 20FT Wnd (mph) E 10 SE 11 SE 16 S 7
Transport Wnd (mph) SE 9 S 13 SE 10 SW 13
Mixing Hgt(ft-agl) 440 2730 420 2860
Vent Rate (mph-ft) 3960 35490 4200 37180
Max Dispersion Early 4 Very Poor 28 Fair 7 Poor 30 Fair
Max Dispersion Late 4 Very Poor 29 Fair 5 Very Poor 31 Fair
Category Day 1 3 1 3
Max LVORI Early 6 9 5 9
Max LVORI Late 8 4 8 4
Precip Chance (%) 80 70 80 100
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 2 5 5
Precip Amount 0.06 0.17 0.09 0.19
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 30 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 50s. Southeast
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 70 percent. Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. South winds less
than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 82 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows around 60. Southeast winds less
than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 74 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows around 60. Southeast winds less
than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 50s. South
winds less than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 68 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ018-222015-
Johnson-
Including the cities of Doeville, Mountain City, Neva,
Shady Valley, Trade, and Laurel Bloomery
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 54-59 (-2) 68-73 (-1) 54-59 71-76
RH % (24h trend) 95-100 (+5) 62-67 (-6) 95-100 68-73
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SE 8 SE 9
PM 20FT Wnd (mph) E 8 SE 9 SE 13 S 6
Transport Wnd (mph) E 7 S 14 S 10 SW 14
Mixing Hgt(ft-agl) 470 2410 510 2590
Vent Rate (mph-ft) 3290 33740 5100 36260
Max Dispersion Early 6 Very Poor 28 Fair 12 Poor 29 Fair
Max Dispersion Late 7 Poor 30 Fair 8 Poor 30 Fair
Category Day 1 3 1 3
Max LVORI Early 6 7 5 7
Max LVORI Late 6 3 6 4
Precip Chance (%) 80 60 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 4 2 5 5
Precip Amount 0.09 0.05 0.14 0.22
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 30 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 50s. Southeast
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 68 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 50s. South winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 70s. Minimum RH 80 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 50s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 71 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the upper 50s. Southeast winds
less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 68 percent. Southwest winds less than
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 50s. South
winds less than 10 mph.
.THURSDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 62 percent. West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ047-222015-
Southeast Carter-
Including the city of Hampton
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mcldy Mcldy
Temp (24h trend) 57-62 (-1) 68-73 (-1) 56-61 70-75
RH % (24h trend) 95-100 (+9) 66-71 (-2) 95-100 70-75
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SE 11 S 12
PM 20FT Wnd (mph) SE 10 S 11 SE 15 S 7
Transport Wnd (mph) SE 7 S 15 S 12 SW 13
Mixing Hgt(ft-agl) 460 2540 490 2270
Vent Rate (mph-ft) 3220 38100 5880 29510
Max Dispersion Early 5 Very Poor 28 Fair 14 Gen Poor 24 Fair
Max Dispersion Late 8 Poor 34 Fair 8 Poor 25 Fair
Category Day 1 3 1 3
Max LVORI Early 6 5 4 6
Max LVORI Late 6 4 6 4
Precip Chance (%) 80 60 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 3 2 5 5
Precip Amount 0.09 0.02 0.17 0.19
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 30 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 50s. Southeast winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 72 percent. Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 60. Southeast winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 70s. Minimum RH 82 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows around 60. Southeast winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 75 percent. Southwest winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows around 60. Southeast winds less
than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 72 percent. West winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 50s. South
winds less than 10 mph.
.THURSDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 66 percent. West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ045-222015-
Unicoi-
Including the cities of Erwin, Unicoi, and Limestone Cove
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mcldy Mcldy
Temp (24h trend) 60-65 (-1) 70-75 (0) 60-65 71-76
RH % (24h trend) 94-99 (+9) 63-68 (-6) 91-96 68-73
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 11 S 13
PM 20FT Wnd (mph) SE 10 S 11 SE 15 S 7
Transport Wnd (mph) SE 6 S 15 SE 13 SW 13
Mixing Hgt(ft-agl) 450 2750 480 2320
Vent Rate (mph-ft) 2700 41250 6240 30160
Max Dispersion Early 4 Very Poor 29 Fair 12 Poor 27 Fair
Max Dispersion Late 6 Very Poor 37 Fair 8 Poor 25 Fair
Category Day 1 3 1 3
Max LVORI Early 6 5 4 5
Max LVORI Late 5 3 5 4
Precip Chance (%) 70 70 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 2 6 5
Precip Amount 0.05 0.04 0.16 0.25
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 30 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 69 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 79 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 72 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 69 percent. West winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 63 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ043-222015-
Southeast Greene-
Including the city of Cedar Creek
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mcldy Mcldy
Temp (24h trend) 60-65 (-1) 71-76 (+3) 60-65 71-76
RH % (24h trend) 95-100 (+6) 59-64 (-14) 94-99 68-73
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SE 12 S 13
PM 20FT Wnd (mph) SE 9 SE 12 SE 15 S 8
Transport Wnd (mph) SE 5 SE 14 S 12 S 12
Mixing Hgt(ft-agl) 450 2230 490 2390
Vent Rate (mph-ft) 2250 31220 5880 28680
Max Dispersion Early 3 Very Poor 26 Fair 11 Poor 24 Fair
Max Dispersion Late 7 Poor 28 Fair 8 Poor 23 Fair
Category Day 1 3 1 2
Max LVORI Early 6 5 4 6
Max LVORI Late 5 3 5 4
Precip Chance (%) 50 80 90 100
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 3 5 8
Precip Amount 0.04 0.05 0.16 0.28
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 40 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 71 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 77 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 72 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 percent. West winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 65 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ041-222015-
Cocke Smoky Mountains-
Including the city of Hartford
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 61-66 (-1) 72-77 (+4) 61-66 73-78
RH % (24h trend) 95-100 (+9) 64-69 (-10) 95-100 68-73
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SE 11 S 11
PM 20FT Wnd (mph) SE 7 S 10 SE 15 S 6
Transport Wnd (mph) SE 5 S 14 S 13 SW 10
Mixing Hgt(ft-agl) 420 2770 440 2760
Vent Rate (mph-ft) 2100 38780 5720 27600
Max Dispersion Early 3 Very Poor 26 Fair 7 Poor 26 Fair
Max Dispersion Late 6 Very Poor 34 Fair 6 Very Poor 25 Fair
Category Day 1 3 1 3
Max LVORI Early 6 6 4 6
Max LVORI Late 5 3 6 4
Precip Chance (%) 60 80 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 5 8
Precip Amount 0.02 0.10 0.15 0.24
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 50 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 77 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 73 percent. West winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 71 percent. West winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 66 percent.
North winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ074-222015-
Sevier Smoky Mountains-
Including the cities of Elkmont and Gatlinburg
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 59-64 (-1) 69-74 (+2) 59-64 70-75
RH % (24h trend) 95-100 (+8) 64-69 (-12) 95-100 66-71
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 13 S 14
PM 20FT Wnd (mph) S 9 S 11 S 17 S 7
Transport Wnd (mph) S 6 S 17 S 14 SW 13
Mixing Hgt(ft-agl) 450 2530 430 2330
Vent Rate (mph-ft) 2700 43010 6020 30290
Max Dispersion Early 4 Very Poor 26 Fair 9 Poor 27 Fair
Max Dispersion Late 5 Very Poor 37 Fair 7 Poor 25 Fair
Category Day 1 3 1 3
Max LVORI Early 6 6 5 6
Max LVORI Late 6 4 6 4
Precip Chance (%) 50 90 90 100
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 4 6 8
Precip Amount 0.02 0.16 0.30 0.28
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 50 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 72 percent. Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 76 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 73 percent. Southwest winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 69 percent. Southwest winds less than
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 65 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ072-222015-
Blount Smoky Mountains-
Including the city of Cades Cove
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 62-67 (-1) 75-80 (+5) 62-67 75-80
RH % (24h trend) 95-100 (+5) 64-69 (-12) 95-100 64-69
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 11 S 11
PM 20FT Wnd (mph) SE 7 S 10 SE 14 S 6
Transport Wnd (mph) SE 6 S 17 S 10 SW 13
Mixing Hgt(ft-agl) 440 3120 450 2690
Vent Rate (mph-ft) 2640 53040 4500 34970
Max Dispersion Early 3 Very Poor 33 Fair 6 Very Poor 30 Fair
Max Dispersion Late 5 Very Poor 47 Gen Good 6 Very Poor 28 Fair
Category Day 1 3 1 3
Max LVORI Early 6 6 5 6
Max LVORI Late 6 4 6 4
Precip Chance (%) 50 90 90 100
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 3 6 8
Precip Amount 0.03 0.20 0.32 0.25
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 50 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 71 percent. South winds less than 10 mph.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Southeast winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southeast
winds less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 65 percent. Southwest winds less than
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southeast
winds less than 10 mph.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 61 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ087-222015-
Southeast Monroe-
Including the cities of Citico and Coker Creek
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 61-66 (-1) 73-78 (+3) 61-66 74-79
RH % (24h trend) 95-100 (+5) 64-69 (-12) 95-100 64-69
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 10 G18 S 11
PM 20FT Wnd (mph) SE 5 S 10 G18 SE 13 G21 S 5
Transport Wnd (mph) SE 5 S 18 S 14 S 12
Mixing Hgt(ft-agl) 450 3170 450 2700
Vent Rate (mph-ft) 2250 57060 6300 32400
Max Dispersion Early 3 Very Poor 38 Fair 7 Poor 27 Fair
Max Dispersion Late 5 Very Poor 51 Gen Good 7 Poor 28 Fair
Category Day 1 3 1 3
Max LVORI Early 6 7 5 7
Max LVORI Late 6 4 6 4
Precip Chance (%) 70 80 90 100
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 6 8
Precip Amount 0.07 0.27 0.49 0.28
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 60 30 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 72 percent. South winds less than 10 mph.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Southeast winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 percent. South winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southeast winds
less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 65 percent. South winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 61 percent. Northwest
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ102-222015-
East Polk-
Including the cities of Big Frog Mountain, Ducktown,
and Turtletown
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 60-65 (-1) 74-79 (+2) 61-66 75-80
RH % (24h trend) 95-100 (+1) 67-72 (-7) 95-100 67-72
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SE 11 S 11
PM 20FT Wnd (mph) SE 5 S 10 SE 14 S 7
Transport Wnd (mph) SE 6 S 18 S 9 S 12
Mixing Hgt(ft-agl) 440 3730 460 2790
Vent Rate (mph-ft) 2640 67140 4140 33480
Max Dispersion Early 3 Very Poor 50 Gen Good 7 Poor 24 Fair
Max Dispersion Late 4 Very Poor 60 Gen Good 7 Poor 28 Fair
Category Day 1 4 1 3
Max LVORI Early 7 8 6 8
Max LVORI Late 8 4 8 4
Precip Chance (%) 80 90 100 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 6 5
Precip Amount 0.14 0.31 0.84 0.30
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 60 30 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 70 percent. South winds less than 10 mph.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. South winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 62 percent.
South winds less than 10 mph.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 58 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
NCZ060-222015-
Cherokee-
Including the cities of Andrews, Marble, Topton, Hiawasse Dam,
Murphy, Unaka, and Violet
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 59-64 (-1) 73-78 (+2) 59-64 74-79
RH % (24h trend) 95-100 (+1) 64-69 (-7) 95-100 65-70
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SE 9 S 9
PM 20FT Wnd (mph) Lgt/Var SE 9 SE 11 S 5
Transport Wnd (mph) SE 6 S 17 SE 9 S 12
Mixing Hgt(ft-agl) 440 3070 460 2390
Vent Rate (mph-ft) 2640 52190 4140 28680
Max Dispersion Early 2 Very Poor 38 Fair 6 Very Poor 20 Gen Poor
Max Dispersion Late 4 Very Poor 43 Gen Good 6 Very Poor 22 Fair
Category Day 1 3 1 2
Max LVORI Early 8 8 7 9
Max LVORI Late 8 4 8 4
Precip Chance (%) 80 80 100 100
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 6 8
Precip Amount 0.13 0.25 0.68 0.38
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 60 30 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 70 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 70 percent. South winds less than 10 mph.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 69 percent. South winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Southeast winds
less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 64 percent. South winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows around 60. Southeast winds less than
10 mph.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 59 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
NCZ061-222015-
Clay-
Including the cities of Shooting Creek, Brasstown, Hayesville,
and Tusquitee
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 58-63 (-1) 70-75 (+1) 58-63 71-76
RH % (24h trend) 95-100 (+4) 74-79 (-2) 95-100 72-77
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SE 10 S 10
PM 20FT Wnd (mph) SE 6 SE 8 SE 11 Lgt/Var
Transport Wnd (mph) SE 5 S 15 SE 12 S 9
Mixing Hgt(ft-agl) 440 2420 460 1920
Vent Rate (mph-ft) 2200 36300 5520 17280
Max Dispersion Early 3 Very Poor 25 Fair 8 Poor 16 Gen Poor
Max Dispersion Late 4 Very Poor 33 Fair 5 Very Poor 16 Gen Poor
Category Day 1 3 1 2
Max LVORI Early 6 7 6 9
Max LVORI Late 8 4 9 5
Precip Chance (%) 80 90 100 100
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 6 8
Precip Amount 0.05 0.33 0.76 0.39
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 50 30 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows around 60. Southeast winds less
than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 77 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds less than 10 mph.
.MONDAY...Showers with thunderstorms likely. Highs in the upper
70s. Minimum RH 77 percent. South winds less than 10 mph.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 76 percent. South winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows around 60. East winds less than
10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 percent. Southwest winds less than
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows around 60. East winds less than 10 mph.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 67 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ015-222015-
Hancock-
Including the cities of Evanston, Sneedville, Treadway,
and Kyles Ford
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 58-63 (-1) 75-80 (+4) 58-63 76-81
RH % (24h trend) 95-100 (0) 72-77 (-5) 95-100 73-78
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SE 5 S 5
PM 20FT Wnd (mph) Lgt/Var S 5 SE 8 S 5
Transport Wnd (mph) E 6 S 13 SE 6 SW 15
Mixing Hgt(ft-agl) 440 2720 440 2860
Vent Rate (mph-ft) 2640 35360 2640 42900
Max Dispersion Early 3 Very Poor 27 Fair 6 Very Poor 33 Fair
Max Dispersion Late 3 Very Poor 29 Fair 7 Poor 36 Fair
Category Day 1 3 1 3
Max LVORI Early 8 9 7 9
Max LVORI Late 8 4 9 4
Precip Chance (%) 50 80 80 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 4 6 8
Precip Amount 0.05 0.22 0.25 0.16
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 50 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. South winds less
than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows around 60. Light and variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 83 percent. Light and variable wind.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Light and variable wind.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 71 percent. Light and variable wind.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. Light and
variable wind.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. Southwest winds less than
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. Light and
variable wind.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 65 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ016-222015-
Hawkins-
Including the city of Mooresburg
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 59-64 (-1) 76-81 (+5) 58-63 76-81
RH % (24h trend) 95-100 (0) 69-74 (-8) 95-100 75-80
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SE 5 S 5
PM 20FT Wnd (mph) E 5 S 6 SE 8 Lgt/Var
Transport Wnd (mph) E 6 S 12 SE 12 SW 14
Mixing Hgt(ft-agl) 430 3040 430 3210
Vent Rate (mph-ft) 2580 36480 5160 44940
Max Dispersion Early 3 Very Poor 24 Fair 5 Very Poor 33 Fair
Max Dispersion Late 3 Very Poor 30 Fair 5 Very Poor 38 Fair
Category Day 1 3 1 3
Max LVORI Early 7 9 6 9
Max LVORI Late 9 4 9 4
Precip Chance (%) 60 90 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 6 8
Precip Amount 0.02 0.20 0.24 0.18
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 40 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. South winds less
than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 71 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southwest winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 84 percent. Light and variable wind.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Light and variable wind.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. South winds less
than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. Southwest winds less than
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. Southeast winds
less than 10 mph.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ017-222015-
Sullivan-
Including the cities of Kingsport, Bristol TN,
and South Holston Dam
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 60-65 (-1) 75-80 (+3) 59-64 76-81
RH % (24h trend) 95-100 (+4) 60-65 (-12) 95-100 66-71
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SE 11 S 10
PM 20FT Wnd (mph) E 9 S 10 SE 15 S 6
Transport Wnd (mph) SE 8 S 13 SE 7 SW 13
Mixing Hgt(ft-agl) 430 2970 440 3010
Vent Rate (mph-ft) 3440 38610 3080 39130
Max Dispersion Early 4 Very Poor 33 Fair 6 Very Poor 30 Fair
Max Dispersion Late 4 Very Poor 30 Fair 4 Very Poor 34 Fair
Category Day 1 3 1 3
Max LVORI Early 6 8 5 8
Max LVORI Late 7 3 8 3
Precip Chance (%) 60 70 90 100
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 5 8
Precip Amount 0.03 0.12 0.16 0.26
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 40 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 67 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 79 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. East winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Southeast winds
less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. Southwest winds less than
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.THURSDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 64 percent. Northwest winds less than
10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ046-222015-
Northwest Carter-
Including the city of Elizabethton
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 58-63 (-1) 72-77 (+1) 57-62 74-79
RH % (24h trend) 95-100 (+5) 59-64 (-8) 95-100 65-70
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SE 9 SE 9
PM 20FT Wnd (mph) E 7 SE 10 SE 14 S 5
Transport Wnd (mph) E 6 S 14 SE 12 SW 13
Mixing Hgt(ft-agl) 450 3080 460 2630
Vent Rate (mph-ft) 2700 43120 5520 34190
Max Dispersion Early 4 Very Poor 29 Fair 10 Poor 25 Fair
Max Dispersion Late 5 Very Poor 36 Fair 5 Very Poor 28 Fair
Category Day 1 3 1 3
Max LVORI Early 6 6 5 6
Max LVORI Late 6 3 7 3
Precip Chance (%) 70 60 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 2 5 5
Precip Amount 0.04 0.08 0.11 0.25
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 30 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 60. Southeast winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 66 percent. Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Light and variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 78 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Light and variable wind.
.TUESDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 68 percent. West winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 66 percent. West winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. Light and
variable wind.
.THURSDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 61 percent. Northwest winds less than
10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ044-222015-
Washington TN-
Including the city of Johnson City
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 60-65 (-1) 75-80 (+3) 59-64 76-81
RH % (24h trend) 95-100 (+7) 58-63 (-11) 95-100 64-69
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SE 9 S 9
PM 20FT Wnd (mph) E 5 S 10 SE 13 S 5
Transport Wnd (mph) E 6 S 13 SE 12 SW 13
Mixing Hgt(ft-agl) 440 2880 420 3070
Vent Rate (mph-ft) 2640 37440 5040 39910
Max Dispersion Early 3 Very Poor 32 Fair 8 Poor 30 Fair
Max Dispersion Late 4 Very Poor 31 Fair 5 Very Poor 33 Fair
Category Day 1 3 1 3
Max LVORI Early 6 7 5 7
Max LVORI Late 6 3 6 3
Precip Chance (%) 60 70 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 2 5 8
Precip Amount 0.04 0.08 0.14 0.28
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 40 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 66 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 77 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 66 percent. West winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 61 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ042-222015-
Northwest Greene-
Including the city of Greeneville
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 60-65 (-1) 76-81 (+4) 59-64 76-81
RH % (24h trend) 95-100 (+2) 61-66 (-11) 95-100 68-73
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SE 8 S 8
PM 20FT Wnd (mph) E 7 S 7 SE 10 SW 5
Transport Wnd (mph) E 6 S 12 SE 10 SW 12
Mixing Hgt(ft-agl) 420 2420 430 2990
Vent Rate (mph-ft) 2520 29040 4300 35880
Max Dispersion Early 3 Very Poor 27 Fair 5 Very Poor 28 Fair
Max Dispersion Late 4 Very Poor 24 Fair 5 Very Poor 31 Fair
Category Day 1 2 1 3
Max LVORI Early 6 9 5 8
Max LVORI Late 7 3 7 4
Precip Chance (%) 50 80 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 3 5 8
Precip Amount 0.02 0.12 0.17 0.25
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 40 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 78 percent. West winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. West winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. West winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 63 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ038-222015-
Grainger-
Including the city of Bean Station
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 60-65 (-1) 76-81 (+5) 60-65 77-82
RH % (24h trend) 95-100 (0) 73-78 (-5) 95-100 73-78
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SE 5 S 6
PM 20FT Wnd (mph) E 5 Lgt/Var SE 8 SW 6
Transport Wnd (mph) E 6 S 10 SE 6 SW 15
Mixing Hgt(ft-agl) 400 3080 390 3020
Vent Rate (mph-ft) 2400 30800 2340 45300
Max Dispersion Early 2 Very Poor 25 Fair 4 Very Poor 38 Fair
Max Dispersion Late 2 Very Poor 29 Fair 4 Very Poor 39 Fair
Category Day 1 3 1 3
Max LVORI Early 8 9 7 10
Max LVORI Late 9 4 10 4
Precip Chance (%) 60 90 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 6 8
Precip Amount 0.03 0.20 0.23 0.13
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 50 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Light and variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 83 percent. Light and variable wind.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Light and variable wind.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 71 percent. Southwest winds less than
10 mph.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ039-222015-
Hamblen-
Including the cities of Alpha, Morristown, and Russellville
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 60-65 (-1) 76-81 (+5) 60-65 77-82
RH % (24h trend) 95-100 (0) 69-74 (-9) 95-100 74-79
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var SE 5 Lgt/Var
Transport Wnd (mph) E 6 S 10 SE 7 SW 13
Mixing Hgt(ft-agl) 420 3240 400 3050
Vent Rate (mph-ft) 2520 32400 2800 39650
Max Dispersion Early 3 Very Poor 24 Fair 5 Very Poor 32 Fair
Max Dispersion Late 3 Very Poor 28 Fair 5 Very Poor 35 Fair
Category Day 1 3 1 3
Max LVORI Early 7 9 6 10
Max LVORI Late 9 4 10 4
Precip Chance (%) 50 90 80 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 3 5 8
Precip Amount 0.02 0.22 0.25 0.17
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 50 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Light and variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 82 percent. Light and variable wind.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Light and variable wind.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. West winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 71 percent. Southwest winds less than
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ040-222015-
Northwest Cocke-
Including the cities of Bybee and Newport
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 62-67 (-1) 76-81 (+5) 62-67 77-82
RH % (24h trend) 95-100 (+4) 64-69 (-11) 95-100 68-73
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SE 9 S 7
PM 20FT Wnd (mph) Lgt/Var S 7 SE 9 Lgt/Var
Transport Wnd (mph) E 6 S 9 SE 9 SW 10
Mixing Hgt(ft-agl) 420 3040 390 2640
Vent Rate (mph-ft) 2520 27360 3510 26400
Max Dispersion Early 2 Very Poor 21 Fair 5 Very Poor 23 Fair
Max Dispersion Late 3 Very Poor 27 Fair 4 Very Poor 23 Fair
Category Day 1 2 1 3
Max LVORI Early 6 9 5 9
Max LVORI Late 6 3 7 4
Precip Chance (%) 50 80 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 4 5 8
Precip Amount 0.02 0.18 0.21 0.23
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 50 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. West winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 76 percent. Light and variable wind.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Light and variable wind.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. West winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southeast
winds less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 67 percent. West winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 63 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ070-222015-
Jefferson-
Including the cities of Jefferson City, Strawberry Plains,
Chestnut Hill, Dandridge, and White Pine
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 62-67 (-1) 77-82 (+6) 62-67 77-82
RH % (24h trend) 95-100 (+1) 70-75 (-9) 95-100 72-77
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Transport Wnd (mph) E 5 S 9 SE 5 SW 13
Mixing Hgt(ft-agl) 380 3070 360 2740
Vent Rate (mph-ft) 1900 27630 1800 35620
Max Dispersion Early 2 Very Poor 22 Fair 3 Very Poor 30 Fair
Max Dispersion Late 2 Very Poor 29 Fair 3 Very Poor 32 Fair
Category Day 1 2 1 3
Max LVORI Early 7 10 6 10
Max LVORI Late 9 4 9 4
Precip Chance (%) 50 80 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 4 4 8
Precip Amount 0.02 0.17 0.27 0.19
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 50 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Light and variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 79 percent. Light and variable wind.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Light and variable wind.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 71 percent. West winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Light and variable
wind.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. West winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 65 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ035-222015-
Morgan-
Including the cities of Pine Orchard, High Point, and Petros
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 58-63 (-1) 73-78 (+3) 59-64 75-80
RH % (24h trend) 95-100 (0) 74-79 (-8) 95-100 73-78
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 8 S 13
PM 20FT Wnd (mph) E 6 S 10 S 14 SW 8
Transport Wnd (mph) E 6 S 16 S 10 SW 16
Mixing Hgt(ft-agl) 430 2740 460 2690
Vent Rate (mph-ft) 2580 43840 4600 43040
Max Dispersion Early 3 Very Poor 31 Fair 7 Poor 34 Fair
Max Dispersion Late 4 Very Poor 40 Fair 9 Poor 38 Fair
Category Day 1 3 1 3
Max LVORI Early 8 8 7 8
Max LVORI Late 9 4 9 4
Precip Chance (%) 80 90 80 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 5 7 8
Precip Amount 0.15 0.35 0.40 0.25
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 60 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows around 60. South winds less
than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 76 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 79 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 75 percent. South winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. South winds less than 10 mph.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ012-222015-
Scott TN-
Including the cities of Big South Fork National, Oneida,
Smokey Junction, Elgin, Huntsville, Norma, and Slick Rock
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 59-64 (-1) 73-78 (+4) 60-65 75-80
RH % (24h trend) 95-100 (0) 70-75 (-11) 95-100 70-75
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 7 S 11
PM 20FT Wnd (mph) Lgt/Var S 9 S 12 SW 7
Transport Wnd (mph) SE 6 S 16 S 12 SW 17
Mixing Hgt(ft-agl) 440 2910 460 2750
Vent Rate (mph-ft) 2640 46560 5520 46750
Max Dispersion Early 4 Very Poor 32 Fair 8 Poor 41 Gen Good
Max Dispersion Late 4 Very Poor 41 Gen Good 8 Poor 40 Fair
Category Day 1 3 1 3
Max LVORI Early 7 7 5 6
Max LVORI Late 9 4 6 4
Precip Chance (%) 70 90 80 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 5 3 8
Precip Amount 0.16 0.23 0.27 0.21
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 60 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. South winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 72 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 78 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 71 percent. South winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 67 percent. Southwest winds less than
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 63 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ013-222015-
Campbell-
Including the cities of Fincastle, La Follette, Elk Valley,
Jellico, White Oak, Caryville, and Royal Blue
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 59-64 (-2) 72-77 (+4) 60-65 73-78
RH % (24h trend) 95-100 (+1) 77-82 (-7) 95-100 76-81
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 7 S 11
PM 20FT Wnd (mph) Lgt/Var S 8 S 11 S 8
Transport Wnd (mph) SE 6 S 14 S 12 SW 16
Mixing Hgt(ft-agl) 430 2590 460 2970
Vent Rate (mph-ft) 2580 36260 5520 47520
Max Dispersion Early 3 Very Poor 28 Fair 6 Very Poor 42 Gen Good
Max Dispersion Late 3 Very Poor 32 Fair 7 Poor 43 Gen Good
Category Day 1 3 1 3
Max LVORI Early 7 8 6 7
Max LVORI Late 9 4 7 4
Precip Chance (%) 70 90 80 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 5 4 8
Precip Amount 0.16 0.39 0.37 0.14
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 60 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. South winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 76 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 84 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 76 percent. South winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 69 percent. West winds
less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ014-222015-
Claiborne-
Including the cities of Lone Mountain, Sandlick, Springdale,
Arthur, Harrogate-Shawanee, Clairfield, and Howard Quarter
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 58-63 (-2) 75-80 (+5) 58-63 75-80
RH % (24h trend) 95-100 (0) 72-77 (-7) 95-100 74-79
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 7
PM 20FT Wnd (mph) Lgt/Var S 5 SE 8 S 6
Transport Wnd (mph) SE 6 S 13 S 8 SW 16
Mixing Hgt(ft-agl) 420 2890 430 2800
Vent Rate (mph-ft) 2520 37570 3440 44800
Max Dispersion Early 3 Very Poor 26 Fair 4 Very Poor 37 Fair
Max Dispersion Late 3 Very Poor 32 Fair 4 Very Poor 39 Fair
Category Day 1 3 1 3
Max LVORI Early 9 9 9 9
Max LVORI Late 9 4 9 4
Precip Chance (%) 60 100 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 4 8
Precip Amount 0.06 0.34 0.35 0.14
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 50 20 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 71 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
70s. Minimum RH 84 percent. Light and variable wind.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 71 percent. Southwest winds less than
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 65 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ037-222015-
Union-
Including the cities of Maynardville, Norris Lake, Paulette,
Rose Hill, Sharps Chapel, and Luttrell
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 60-65 (-1) 75-80 (+4) 60-65 76-81
RH % (24h trend) 95-100 (+1) 76-81 (-2) 95-100 75-80
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 7
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var SW 7
Transport Wnd (mph) E 6 S 12 S 6 SW 16
Mixing Hgt(ft-agl) 390 2670 410 2800
Vent Rate (mph-ft) 2340 32040 2460 44800
Max Dispersion Early 3 Very Poor 27 Fair 4 Very Poor 38 Fair
Max Dispersion Late 2 Very Poor 27 Fair 3 Very Poor 41 Gen Good
Category Day 1 3 1 3
Max LVORI Early 8 9 7 8
Max LVORI Late 9 4 9 4
Precip Chance (%) 60 90 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 6 8
Precip Amount 0.07 0.38 0.36 0.13
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 50 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Light and variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 83 percent. Light and variable wind.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Light and variable wind.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. Southwest winds less than
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ036-222015-
Anderson-
Including the cities of Oak Ridge and Clinton
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 60-65 (-1) 73-78 (+3) 60-65 74-79
RH % (24h trend) 95-100 (0) 77-82 (-5) 95-100 76-81
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 7 S 14
PM 20FT Wnd (mph) E 5 S 9 S 12 SW 9
Transport Wnd (mph) SE 6 S 13 S 9 SW 16
Mixing Hgt(ft-agl) 400 2690 430 2720
Vent Rate (mph-ft) 2400 34970 3870 43520
Max Dispersion Early 3 Very Poor 25 Fair 5 Very Poor 35 Fair
Max Dispersion Late 2 Very Poor 31 Fair 5 Very Poor 39 Fair
Category Day 1 3 1 3
Max LVORI Early 8 9 7 8
Max LVORI Late 9 5 8 5
Precip Chance (%) 70 90 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 5 6 8
Precip Amount 0.10 0.57 0.54 0.19
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 60 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southwest
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 77 percent. Southwest winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southwest winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 82 percent. South winds less than 10 mph.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 77 percent. South winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. South winds less
than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 73 percent. Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southwest
winds less than 10 mph.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 68 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ069-222015-
Knox-
Including the cities of Bearden, Knoxville, and Lake Forest
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 61-66 (-2) 76-81 (+4) 61-66 76-81
RH % (24h trend) 95-100 (+1) 75-80 (-4) 95-100 74-79
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var SW 8
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var SW 8
Transport Wnd (mph) E 5 S 12 S 6 SW 16
Mixing Hgt(ft-agl) 380 2990 390 2940
Vent Rate (mph-ft) 1900 35880 2340 47040
Max Dispersion Early 3 Very Poor 25 Fair 4 Very Poor 39 Fair
Max Dispersion Late 2 Very Poor 32 Fair 3 Very Poor 40 Fair
Category Day 1 3 1 3
Max LVORI Early 7 9 7 9
Max LVORI Late 9 4 8 4
Precip Chance (%) 60 90 90 100
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 6 8
Precip Amount 0.06 0.38 0.34 0.16
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 60 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southwest
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Light and variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 78 percent. Southwest winds less than 10 mph.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Light and variable wind.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Light and variable
wind.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 69 percent. Southwest winds less than
10 mph.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 65 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ073-222015-
North Sevier-
Including the cities of Harrisburg, Kodak, McMahan, Sevierville,
Seymour, and Pigeon Forge
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 61-66 (-2) 77-82 (+5) 62-67 77-82
RH % (24h trend) 95-100 (+5) 66-71 (-10) 95-100 68-73
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 6 SW 6
PM 20FT Wnd (mph) Lgt/Var S 5 S 8 SW 6
Transport Wnd (mph) SE 5 S 13 S 6 SW 13
Mixing Hgt(ft-agl) 370 3370 370 2710
Vent Rate (mph-ft) 1850 43810 2220 35230
Max Dispersion Early 2 Very Poor 24 Fair 4 Very Poor 28 Fair
Max Dispersion Late 2 Very Poor 36 Fair 3 Very Poor 28 Fair
Category Day 1 3 1 3
Max LVORI Early 6 8 6 9
Max LVORI Late 8 4 7 3
Precip Chance (%) 50 90 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 4 4 8
Precip Amount 0.02 0.18 0.30 0.21
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 50 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 74 percent. West winds less than 10 mph.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Southeast winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 66 percent. Southwest winds less than
10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Southeast
winds less than 10 mph.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 63 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ067-222015-
Roane-
Including the cities of Harriman, Eagle Furnace, Rockwood,
Bradbury, Fairview, Kingston, and Oliver Springs
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 59-64 (-2) 76-81 (+4) 60-65 77-82
RH % (24h trend) 95-100 (0) 80-85 (-3) 95-100 78-83
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 5 S 7
PM 20FT Wnd (mph) Lgt/Var S 6 S 7 SW 7
Transport Wnd (mph) SE 5 S 14 S 8 SW 17
Mixing Hgt(ft-agl) 400 2940 450 2890
Vent Rate (mph-ft) 2000 41160 3600 49130
Max Dispersion Early 4 Very Poor 28 Fair 6 Very Poor 39 Fair
Max Dispersion Late 2 Very Poor 36 Fair 8 Poor 43 Gen Good
Category Day 1 3 1 3
Max LVORI Early 9 9 8 8
Max LVORI Late 10 5 9 4
Precip Chance (%) 80 90 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 6 7 8
Precip Amount 0.19 0.55 0.60 0.25
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 60 30 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 78 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Light and variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 80 percent. South winds less than 10 mph.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 77 percent. South winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. South winds less
than 10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 72 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 68 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ068-222015-
Loudon-
Including the cities of Lenoir City and Loudon
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 60-65 (-1) 76-81 (+3) 60-65 77-82
RH % (24h trend) 95-100 (0) 78-83 (-4) 95-100 77-82
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 5 S 8
PM 20FT Wnd (mph) Lgt/Var S 7 Lgt/Var SW 8
Transport Wnd (mph) SE 5 S 15 S 9 SW 17
Mixing Hgt(ft-agl) 390 3490 430 3140
Vent Rate (mph-ft) 1950 52350 3870 53380
Max Dispersion Early 4 Very Poor 29 Fair 4 Very Poor 46 Gen Good
Max Dispersion Late 2 Very Poor 46 Gen Good 5 Very Poor 46 Gen Good
Category Day 1 3 1 3
Max LVORI Early 10 10 9 8
Max LVORI Late 10 5 9 4
Precip Chance (%) 80 80 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 6 8
Precip Amount 0.10 0.59 0.47 0.23
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 60 30 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 76 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Light and variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 78 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Light and variable wind.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 75 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 71 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
West winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ071-222015-
Northwest Blount-
Including the cities of Happy Valley, Maryville, and Alcoa
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 62-67 (-1) 77-82 (+4) 62-67 77-82
RH % (24h trend) 95-100 (+2) 73-78 (-7) 95-100 73-78
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var S 10
PM 20FT Wnd (mph) Lgt/Var S 5 S 8 SW 10
Transport Wnd (mph) SE 6 S 14 S 8 SW 13
Mixing Hgt(ft-agl) 390 3760 420 2970
Vent Rate (mph-ft) 2340 52640 3360 38610
Max Dispersion Early 3 Very Poor 31 Fair 4 Very Poor 35 Fair
Max Dispersion Late 2 Very Poor 46 Gen Good 3 Very Poor 34 Fair
Category Day 1 3 1 3
Max LVORI Early 7 9 6 9
Max LVORI Late 8 4 7 4
Precip Chance (%) 60 90 90 100
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 6 8
Precip Amount 0.04 0.36 0.33 0.24
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 60 20 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 75 percent. Light and variable wind.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Southeast winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Southeast winds
less than 10 mph.
.WEDNESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. Southwest winds less than
10 mph.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light and
variable wind.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 65 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ086-222015-
Northwest Monroe-
Including the cities of Sweetwater, Madisonville,
and Bullet Creek
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 61-66 (-1) 77-82 (+4) 61-66 77-82
RH % (24h trend) 95-100 (+1) 70-75 (-9) 95-100 71-76
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 6 S 8
PM 20FT Wnd (mph) Lgt/Var S 7 S 7 S 8
Transport Wnd (mph) SE 5 S 17 S 13 SW 14
Mixing Hgt(ft-agl) 420 3800 440 3170
Vent Rate (mph-ft) 2100 64600 5720 44380
Max Dispersion Early 2 Very Poor 43 Gen Good 5 Very Poor 37 Fair
Max Dispersion Late 3 Very Poor 56 Gen Good 6 Very Poor 40 Fair
Category Day 1 4 1 3
Max LVORI Early 8 9 7 9
Max LVORI Late 9 4 9 4
Precip Chance (%) 80 80 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 6 8
Precip Amount 0.11 0.51 0.39 0.23
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 60 30 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 75 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. South winds less
than 10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 64 percent.
Northwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ083-222015-
Rhea-
Including the cities of Dayton, Evensville, Old Washington,
Grandview, and Spring City
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 59-64 (-2) 74-79 (+3) 60-65 75-80
RH % (24h trend) 95-100 (0) 83-88 (-4) 95-100 82-87
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 7 S 8
PM 20FT Wnd (mph) Lgt/Var S 7 S 8 S 7
Transport Wnd (mph) E 5 S 16 S 9 SW 15
Mixing Hgt(ft-agl) 410 2920 450 2710
Vent Rate (mph-ft) 2050 46720 4050 40650
Max Dispersion Early 4 Very Poor 30 Fair 6 Very Poor 31 Fair
Max Dispersion Late 2 Very Poor 41 Gen Good 8 Poor 36 Fair
Category Day 1 3 1 3
Max LVORI Early 10 9 8 8
Max LVORI Late 10 5 9 5
Precip Chance (%) 90 90 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 6 8
Precip Amount 0.35 0.65 0.61 0.21
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 60 30 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs around 80.
Minimum RH 84 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Light and variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 85 percent. South winds less than 10 mph.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs around
80. Minimum RH 81 percent. South winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. South winds less
than 10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 76 percent.
South winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. Light and variable
wind.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 71 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ084-222015-
Meigs-
Including the city of Big Spring
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 60-65 (-1) 76-81 (+3) 60-65 77-82
RH % (24h trend) 95-100 (0) 79-84 (-2) 95-100 77-82
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 6 S 7
PM 20FT Wnd (mph) Lgt/Var S 7 Lgt/Var S 7
Transport Wnd (mph) E 6 S 17 S 9 S 15
Mixing Hgt(ft-agl) 410 3150 450 2880
Vent Rate (mph-ft) 2460 53550 4050 43200
Max Dispersion Early 4 Very Poor 38 Fair 6 Very Poor 38 Fair
Max Dispersion Late 2 Very Poor 47 Gen Good 6 Very Poor 41 Gen Good
Category Day 1 3 1 3
Max LVORI Early 10 9 8 8
Max LVORI Late 10 5 9 4
Precip Chance (%) 90 90 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 6 8
Precip Amount 0.34 0.60 0.66 0.18
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 60 30 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 78 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Light and variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 78 percent. South winds less than 10 mph.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Light and variable wind.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 75 percent. South winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 70 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 66 percent. Light
and variable wind.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ085-222015-
McMinn-
Including the cities of Athens, Clear Water, Dentville,
and Etowah
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 60-65 (-1) 76-81 (+3) 60-65 77-82
RH % (24h trend) 95-100 (0) 75-80 (-4) 95-100 75-80
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 6 S 8
PM 20FT Wnd (mph) Lgt/Var S 7 S 9 S 8
Transport Wnd (mph) E 6 S 17 S 8 SW 15
Mixing Hgt(ft-agl) 410 3620 450 3010
Vent Rate (mph-ft) 2460 61540 3600 45150
Max Dispersion Early 3 Very Poor 48 Gen Good 5 Very Poor 36 Fair
Max Dispersion Late 3 Very Poor 53 Gen Good 6 Very Poor 40 Fair
Category Day 1 4 1 3
Max LVORI Early 10 9 8 8
Max LVORI Late 10 4 9 4
Precip Chance (%) 90 90 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 6 8
Precip Amount 0.24 0.57 0.51 0.22
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 60 30 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 75 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 76 percent. Southwest winds less than
10 mph.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. South winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 73 percent. Southwest winds less than
10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 68 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ099-222015-
Hamilton-
Including the cities of Chattanooga, Lookout Mountain,
and Signal Mountain
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 61-66 (-2) 75-80 (+2) 62-67 77-82
RH % (24h trend) 95-100 (+1) 80-85 (-1) 95-100 75-80
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 8 S 8
PM 20FT Wnd (mph) Lgt/Var S 9 S 10 S 7
Transport Wnd (mph) SE 5 S 17 S 9 SW 14
Mixing Hgt(ft-agl) 420 3190 450 2840
Vent Rate (mph-ft) 2100 54230 4050 39760
Max Dispersion Early 2 Very Poor 48 Gen Good 6 Very Poor 29 Fair
Max Dispersion Late 4 Very Poor 48 Gen Good 7 Poor 35 Fair
Category Day 1 3 1 3
Max LVORI Early 9 8 7 7
Max LVORI Late 9 5 8 4
Precip Chance (%) 80 90 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 3 4 6 8
Precip Amount 0.31 0.42 0.51 0.17
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 60 30 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. South winds less
than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 80 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. South winds less than 10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 79 percent. South winds less than 10 mph.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 76 percent. South winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. South winds less
than 10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 70 percent.
South winds less than 10 mph.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ100-222015-
Bradley-
Including the cities of Cleveland and Tasso
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 61-66 (-1) 76-81 (+3) 61-66 77-82
RH % (24h trend) 95-100 (0) 75-80 (-1) 95-100 75-80
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 8 S 7
PM 20FT Wnd (mph) Lgt/Var S 8 S 8 S 7
Transport Wnd (mph) E 5 S 18 S 13 S 15
Mixing Hgt(ft-agl) 420 3600 450 2970
Vent Rate (mph-ft) 2100 64800 5850 44550
Max Dispersion Early 3 Very Poor 54 Gen Good 6 Very Poor 34 Fair
Max Dispersion Late 3 Very Poor 60 Gen Good 6 Very Poor 40 Fair
Category Day 1 4 1 3
Max LVORI Early 10 9 8 8
Max LVORI Late 10 4 9 4
Precip Chance (%) 70 90 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 6 8
Precip Amount 0.25 0.36 0.43 0.19
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 60 30 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. South winds less
than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 75 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Light and variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 74 percent. South winds less than 10 mph.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. South winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 72 percent. South winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. South winds less
than 10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
South winds less than 10 mph.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. Light and
variable wind.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 62 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ101-222015-
West Polk-
Including the cities of Conasauga, Archville, Benton, Parksville,
and Reliance
302 PM EDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 62-67 (-1) 77-82 (+3) 62-67 77-82
RH % (24h trend) 95-100 (+3) 68-73 (-5) 95-100 68-73
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 7 S 6
PM 20FT Wnd (mph) Lgt/Var S 8 SE 7 S 6
Transport Wnd (mph) SE 5 S 18 S 8 S 14
Mixing Hgt(ft-agl) 420 3870 440 2970
Vent Rate (mph-ft) 2100 69660 3520 41580
Max Dispersion Early 2 Very Poor 55 Gen Good 5 Very Poor 28 Fair
Max Dispersion Late 4 Very Poor 61 Good 5 Very Poor 34 Fair
Category Day 1 4 1 3
Max LVORI Early 7 8 6 9
Max LVORI Late 8 3 8 4
Precip Chance (%) 80 90 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 6 5
Precip Amount 0.22 0.37 0.65 0.24
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 60 30 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. South winds
less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Light and variable wind.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 70 percent. South winds less than 10 mph.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Light and variable wind.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
lower 80s. Minimum RH 68 percent. South winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. Light and variable
wind.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 63 percent.
Southwest winds less than 10 mph.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Light and
variable wind.
.THURSDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 59 percent. West
winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ082-222015-
Bledsoe-
Including the cities of Old Cumberland, Palio, Melvine,
Mount Crest, Pikeville, and Brayton
202 PM CDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 59-64 (-1) 72-77 (+2) 60-65 74-79
RH % (24h trend) 95-100 (0) 79-84 (-5) 95-100 76-81
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 7 S 9
PM 20FT Wnd (mph) Lgt/Var S 8 S 10 SW 7
Transport Wnd (mph) SE 6 S 16 S 10 SW 14
Mixing Hgt(ft-agl) 440 2810 450 2750
Vent Rate (mph-ft) 2640 44960 4500 38500
Max Dispersion Early 4 Very Poor 33 Fair 7 Poor 29 Fair
Max Dispersion Late 4 Very Poor 41 Gen Good 6 Very Poor 33 Fair
Category Day 1 3 1 3
Max LVORI Early 9 9 7 8
Max LVORI Late 9 5 8 5
Precip Chance (%) 90 90 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 4 6 8
Precip Amount 0.22 0.42 0.32 0.22
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 60 30 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 82 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 83 percent. South winds less than 10 mph.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the lower 60s. Southeast winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 79 percent. South winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 74 percent. South
winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 70 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ081-222015-
Sequatchie-
Including the cities of Cagle, Dunlap, Cartwright, and Lone Oak
202 PM CDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Mcldy
Temp (24h trend) 60-65 (-1) 71-76 (+2) 61-66 74-79
RH % (24h trend) 95-100 (0) 83-88 (-2) 95-100 79-84
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) S 7 S 9
PM 20FT Wnd (mph) Lgt/Var S 7 S 10 SW 6
Transport Wnd (mph) SE 6 S 16 S 12 SW 14
Mixing Hgt(ft-agl) 440 2670 470 2750
Vent Rate (mph-ft) 2640 42720 5640 38500
Max Dispersion Early 3 Very Poor 31 Fair 7 Poor 27 Fair
Max Dispersion Late 5 Very Poor 39 Fair 7 Poor 33 Fair
Category Day 1 3 1 3
Max LVORI Early 8 9 6 8
Max LVORI Late 7 5 7 5
Precip Chance (%) 90 90 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 3 4 6 8
Precip Amount 0.28 0.42 0.35 0.22
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 60 30 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 84 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 84 percent. South winds less than 10 mph.
.MONDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the lower 60s. Southeast winds less than
10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 81 percent. South winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds less than 10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 75 percent.
South winds less than 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. South winds less than
10 mph.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 72 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
TNZ098-222015-
Marion-
Including the cities of South Pittsburg, Haletown (Guild),
Jasper, Martin Springs, Whitwell, Powells Crossroads,
and Monteagle
202 PM CDT Thu May 21 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mcldy Pcldy
Temp (24h trend) 61-66 (-1) 72-77 (+1) 62-67 75-80
RH % (24h trend) 95-100 (+1) 78-83 (-2) 95-100 72-77
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) SE 7 S 7
PM 20FT Wnd (mph) Lgt/Var S 7 S 9 SW 5
Transport Wnd (mph) SE 5 S 15 S 10 SW 13
Mixing Hgt(ft-agl) 430 2890 460 2690
Vent Rate (mph-ft) 2150 43350 4600 34970
Max Dispersion Early 3 Very Poor 31 Fair 6 Very Poor 25 Fair
Max Dispersion Late 3 Very Poor 36 Fair 5 Very Poor 30 Fair
Category Day 1 3 1 3
Max LVORI Early 7 8 6 7
Max LVORI Late 7 5 7 4
Precip Chance (%) 90 100 90 90
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 3 4 6 8
Precip Amount 0.31 0.49 0.39 0.23
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 20 50 30 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the lower 60s. South winds less
than 10 mph.
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 79 percent. South winds less than 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 78 percent. South winds less than 10 mph.
.MONDAY NIGHT...Showers and a chance of thunderstorms. Lows in
the mid 60s. Southeast winds less than 10 mph.
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 76 percent. South winds less than 10 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southeast
winds less than 10 mph.
.WEDNESDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 70 percent. South
winds less than 10 mph.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southeast
winds less than 10 mph.
.THURSDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
Southwest winds less than 10 mph.
*The AGL Mixing Height is calculated from an average elevation for
the entire Forecast Zone and should only be used as a guide.
For a specific AGL Mixing Height a Spot Forecast will be needed.
$$
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| 7 Day Forecasts | Hourly Weather Forecast | Digital Tabular Forecast |
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Days 6-10 |
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Days 8-14 |
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| HAZARDOUS WEATHER OUTLOOK | FORECAST DISCUSSION | SPECIAL WEATHER STATEMENT | PUBLIC INFORMATION STATEMENT | |
Additional Forecasts and Outlooks
Fire Weather Outlook Issued by the Storm Prediction Center
Fire Weather Observations and Data
Local RAWS Sites Information Observed Fire Danger Rating Observed 10-hour Fuel Moisture
Current Local Observations Palmer Drought Index Map of the U.S. Observed 100-hour Fuel Moisture
Wildland Fire Assessment System Haines Index Map of the U.S. Observed 1000-hour Fuel Moisture
MADIS Meteorological Surface Observation Viewer Keetch-Byram Drought Index Map of the U.S.
Fire Weather Planning Tools Fire Weather Annual Operating Plans Weather Normals and Records
Graphical Planning Forecast Specific Point Tennessee Chattanooga
Weather Activity Planner Specific Point Virginia Knoxville
Point Forecast Matrices Specific Point North Carolina Oak Ridge
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