Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >
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Computed 10 Hour FM Haines
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821
FNUS54 KMRX 201736
FWFMRX
Fire Weather Planning Forecast for East Tennessee...Southwest
Virginia...and Extreme Southwest North Carolina
National Weather Service Morristown TN
136 PM EDT Sun Jul 20 2025
.DISCUSSION...
Hot and muggy conditions with afternoon showers and thunderstorms
will continue through Monday. The chance of rain will decrease
starting Tuesday, but temperatures will rise, with highs in the 90s
and heat index values near or above 100 through the week.
VAZ001-211845-
Lee-
Including the city of Rose Hill
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mcldy Pcldy
Temp (24h trend) 67-72 (0) 83-88 (-1) 65-70 84-89
RH % (24h trend) 95-100 (-1) 60-65 (-5) 95-100 54-59
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 5 W 10 NE 3 N 3
Mixing Hgt(ft-agl) 260 3440 170 3560
Vent Rate (mph-ft) 1300 34400 510 10680
Max Dispersion Early 3 Very Poor 32 Fair 3 Very Poor 10 Poor
Max Dispersion Late 2 Very Poor 25 Fair 2 Very Poor 12 Poor
Category Day 1 3 1 2
Max LVORI Early 9 9 9 9
Max LVORI Late 9 4 10 3
Precip Chance (%) 50 80 40 40
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 3 1 1
Precip Amount 0.16 0.42 0.12 0.03
Precip Begin 8 PM Continuing Continuing 2 PM
Precip End Continuing Continuing 2 AM 8 PM
Chance of Thunder (%) 40 70 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light
winds.
.WEDNESDAY...Sunny. Highs in the upper 80s. Minimum RH
52 percent. Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 49 percent. Light
winds.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
58 percent. Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the upper 80s. Minimum RH 61 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Southwest winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 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.
$$
VAZ002-211845-
Wise-
Including the cities of Big Stone Gap, Norton, Wise, Coeburn,
Appalachia, and Pardee
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mcldy Pcldy
Temp (24h trend) 65-70 (0) 78-83 (-3) 63-68 80-85
RH % (24h trend) 95-100 (-2) 67-72 (-2) 95-100 58-63
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 6 W 9 NE 5 NE 5
Mixing Hgt(ft-agl) 130 2620 80 2760
Vent Rate (mph-ft) 780 23580 400 13800
Max Dispersion Early 3 Very Poor 22 Fair 3 Very Poor 9 Poor
Max Dispersion Late 3 Very Poor 22 Fair 1 Very Poor 11 Poor
Category Day 1 2 1 1
Max LVORI Early 9 9 10 9
Max LVORI Late 9 5 10 4
Precip Chance (%) 60 90 30 40
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 1 1
Precip Amount 0.22 0.51 0.38 0.05
Precip Begin 8 PM Continuing Continuing 8 AM
Precip End Continuing Continuing 2 AM 8 PM
Chance of Thunder (%) 40 70 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly clear. Lows in the mid 60s. Light winds.
.WEDNESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 54 percent. Light
winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 53 percent.
South winds less than 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 80s. Minimum RH
62 percent. West winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. 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.
$$
VAZ005-211845-
Scott VA-
Including the city of Hiltons
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 67-72 (-1) 82-87 (-1) 66-71 83-88
RH % (24h trend) 95-100 (-1) 64-69 (-2) 95-100 56-61
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) SW 5 W 8 NE 3 NE 3
Mixing Hgt(ft-agl) 190 3090 130 3010
Vent Rate (mph-ft) 950 24720 390 9030
Max Dispersion Early 3 Very Poor 25 Fair 2 Very Poor 10 Poor
Max Dispersion Late 2 Very Poor 22 Fair 2 Very Poor 11 Poor
Category Day 1 2 1 1
Max LVORI Early 9 9 9 9
Max LVORI Late 10 4 9 3
Precip Chance (%) 50 80 40 40
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 1
Precip Amount 0.25 0.42 0.34 0.05
Precip Begin 8 PM Continuing Continuing 8 AM
Precip End Continuing Continuing 2 AM 8 PM
Chance of Thunder (%) 40 70 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light
winds.
.WEDNESDAY...Sunny. Highs in the upper 80s. Minimum RH
52 percent. Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 48 percent. Light
winds.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
59 percent. Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows around 70. Southwest winds less than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
63 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Southwest winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 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.
$$
VAZ006-211845-
Russell-
Including the cities of Hansonville, Lebanon, Dye, Castlewood,
Honaker, and Rosedale
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mcldy Pcldy
Temp (24h trend) 65-70 (-1) 78-83 (-2) 64-69 79-84
RH % (24h trend) 95-100 (+1) 66-71 (-2) 95-100 55-60
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) NW 5 Lgt/Var
PM 20FT Wnd (mph) W 6 Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) SW 6 W 9 NE 3 E 5
Mixing Hgt(ft-agl) 200 2490 140 2920
Vent Rate (mph-ft) 1200 22410 420 14600
Max Dispersion Early 4 Very Poor 16 Gen Poor 2 Very Poor 12 Poor
Max Dispersion Late 3 Very Poor 20 Gen Poor 2 Very Poor 14 Gen Poor
Category Day 1 2 1 1
Max LVORI Early 9 9 9 9
Max LVORI Late 9 5 10 4
Precip Chance (%) 60 90 40 40
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 2 3 1 1
Precip Amount 0.20 0.64 0.29 0.04
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing 8 PM
Chance of Thunder (%) 40 70 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly clear. Lows in the mid 60s. Light winds.
.WEDNESDAY...Sunny. Highs in the mid 80s. Minimum RH 52 percent.
Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 48 percent.
Light winds.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 80s. Minimum RH
60 percent. West winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the mid 80s. Minimum RH 64 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 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.
$$
VAZ008-211845-
Washington VA-
Including the cities of Benhams, Bristol VA, and Abingdon
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 66-71 (0) 80-85 (-1) 64-69 81-86
RH % (24h trend) 95-100 (0) 67-72 (-1) 95-100 57-62
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) W 5 Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 6 W 10 E 5 E 6
Mixing Hgt(ft-agl) 290 2870 260 2980
Vent Rate (mph-ft) 1740 28700 1300 17880
Max Dispersion Early 5 Very Poor 22 Fair 3 Very Poor 14 Gen Poor
Max Dispersion Late 4 Very Poor 28 Fair 2 Very Poor 15 Gen Poor
Category Day 1 3 1 2
Max LVORI Early 8 9 8 8
Max LVORI Late 9 4 9 3
Precip Chance (%) 50 80 40 50
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 3 1 1
Precip Amount 0.33 0.58 0.56 0.06
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing 8 PM
Chance of Thunder (%) 40 70 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 60s. Light winds.
.WEDNESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 53 percent.
Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. Light
winds.
.THURSDAY...Sunny. Highs in the upper 80s. Minimum RH 49 percent.
Light winds.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the upper 80s. Minimum RH 60 percent.
West winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 80s. Minimum RH
65 percent. West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. 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.
$$
TNZ018-211845-
Johnson-
Including the cities of Doeville, Mountain City, Neva,
Shady Valley, Trade, and Laurel Bloomery
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 64-69 (0) 80-85 (-1) 62-67 80-85
RH % (24h trend) 94-99 (-1) 63-68 (-4) 92-97 59-64
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) W 6 Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 10 W 12 E 6 SE 7
Mixing Hgt(ft-agl) 190 3070 120 2740
Vent Rate (mph-ft) 1900 36840 720 19180
Max Dispersion Early 9 Poor 33 Fair 5 Very Poor 16 Gen Poor
Max Dispersion Late 6 Very Poor 32 Fair 3 Very Poor 15 Gen Poor
Category Day 1 3 1 2
Max LVORI Early 7 7 8 8
Max LVORI Late 8 5 9 4
Precip Chance (%) 40 80 40 50
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 1
Precip Amount 0.17 0.67 0.47 0.12
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 70 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. Light winds.
.WEDNESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 53 percent. Light
winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 50 percent.
Light winds.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 60s. Light winds.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the mid 80s. Minimum RH 58 percent. West
winds less than 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 60s. Southwest
winds less than 10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the mid 80s. Minimum RH 62 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. West winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 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.
$$
TNZ047-211845-
Southeast Carter-
Including the city of Hampton
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 64-69 (0) 78-83 (0) 62-67 77-82
RH % (24h trend) 93-98 (-2) 62-67 (-6) 95-100 60-65
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) NW 6 Lgt/Var
PM 20FT Wnd (mph) W 8 Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 9 W 12 NW 6 SE 6
Mixing Hgt(ft-agl) 120 2950 80 2670
Vent Rate (mph-ft) 1080 35400 480 16020
Max Dispersion Early 8 Poor 28 Fair 5 Very Poor 12 Poor
Max Dispersion Late 6 Very Poor 30 Fair 3 Very Poor 12 Poor
Category Day 1 3 1 2
Max LVORI Early 7 7 8 7
Max LVORI Late 8 4 8 5
Precip Chance (%) 30 80 40 60
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 2
Precip Amount 0.14 0.42 0.33 0.14
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 30 70 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. Light winds.
.WEDNESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
58 percent. Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s. Light
winds.
.THURSDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the mid 80s. Minimum RH 55 percent. Light
winds.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 60s. Light winds.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the lower 80s. Minimum RH 60 percent.
West winds less than 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 60s. Southwest
winds less than 10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. West winds less than 10 mph.
.SUNDAY...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.
$$
TNZ045-211845-
Unicoi-
Including the cities of Erwin, Unicoi, and Limestone Cove
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 66-71 (+1) 79-84 (0) 64-69 78-83
RH % (24h trend) 92-97 (-4) 62-67 (-6) 89-94 62-67
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) NW 5 Lgt/Var
PM 20FT Wnd (mph) W 5 Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 7 W 12 NW 3 N 5
Mixing Hgt(ft-agl) 100 2990 40 3060
Vent Rate (mph-ft) 700 35880 120 15300
Max Dispersion Early 6 Very Poor 27 Fair 4 Very Poor 12 Poor
Max Dispersion Late 5 Very Poor 29 Fair 3 Very Poor 13 Gen Poor
Category Day 1 3 1 1
Max LVORI Early 7 7 7 7
Max LVORI Late 8 4 8 4
Precip Chance (%) 40 70 40 60
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 2
Precip Amount 0.10 0.29 0.10 0.12
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 40 70 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Light winds.
.WEDNESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 80s. Minimum RH
56 percent. Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. Light
winds.
.THURSDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the mid 80s. Minimum RH 54 percent. Light
winds.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the mid 80s. Minimum RH 59 percent. West
winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 60s. Southwest
winds less than 10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.SUNDAY...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.
$$
TNZ043-211845-
Southeast Greene-
Including the city of Cedar Creek
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 65-70 (0) 79-84 (0) 64-69 80-85
RH % (24h trend) 95-100 (-2) 60-65 (-7) 91-96 56-61
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) W 6 Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 6 W 10 W 5 N 3
Mixing Hgt(ft-agl) 3030 2840
Vent Rate (mph-ft) 0 30300 0 8520
Max Dispersion Early 5 Very Poor 24 Fair 3 Very Poor 8 Poor
Max Dispersion Late 2 Very Poor 29 Fair 1 Very Poor 10 Poor
Category Day 1 3 1 1
Max LVORI Early 8 9 8 8
Max LVORI Late 9 4 9 4
Precip Chance (%) 40 70 30 60
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 2
Precip Amount 0.09 0.61 0.09 0.09
Precip Begin 8 PM Continuing Continuing 8 AM
Precip End Continuing Continuing 2 AM Continuing
Chance of Thunder (%) 40 70 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 80s. Minimum RH
55 percent. Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. Southeast
winds less than 10 mph.
.THURSDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the mid 80s. Minimum RH 52 percent. Light
winds.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the mid 80s. Minimum RH 58 percent. West
winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 60s. South winds
less than 10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the lower 80s. Minimum RH 63 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 61 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.
$$
TNZ041-211845-
Cocke Smoky Mountains-
Including the city of Hartford
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 68-73 (+1) 81-86 (+1) 66-71 81-86
RH % (24h trend) 91-96 (+1) 54-59 (-12) 89-94 54-59
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) W 5 Lgt/Var
PM 20FT Wnd (mph) W 8 NW 5 Lgt/Var Lgt/Var
Transport Wnd (mph) W 7 W 12 W 5 NW 5
Mixing Hgt(ft-agl) 190 3200 120 3440
Vent Rate (mph-ft) 1330 38400 600 17200
Max Dispersion Early 5 Very Poor 31 Fair 5 Very Poor 14 Gen Poor
Max Dispersion Late 6 Very Poor 33 Fair 2 Very Poor 15 Gen Poor
Category Day 1 3 1 2
Max LVORI Early 6 6 7 6
Max LVORI Late 7 4 7 4
Precip Chance (%) 30 70 30 60
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 2
Precip Amount 0.11 0.50 0.03 0.12
Precip Begin 8 PM Continuing Continuing 8 AM
Precip End Continuing Continuing 2 AM Continuing
Chance of Thunder (%) 30 70 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Light winds.
.WEDNESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 80s. Minimum RH
55 percent. Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.THURSDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the mid 80s. Minimum RH 52 percent. Light
winds.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 80s. Minimum RH
59 percent. West winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. South winds less than
10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the mid 80s. Minimum RH 62 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Southwest winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 61 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.
$$
TNZ074-211845-
Sevier Smoky Mountains-
Including the cities of Elkmont and Gatlinburg
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 65-70 (0) 78-83 (+1) 64-69 78-83
RH % (24h trend) 91-96 (0) 56-61 (-12) 85-90 55-60
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) W 6 Lgt/Var
PM 20FT Wnd (mph) W 8 NW 5 E 5 Lgt/Var
Transport Wnd (mph) W 7 NW 9 W 6 NW 6
Mixing Hgt(ft-agl) 2490 4010
Vent Rate (mph-ft) 0 22410 0 24060
Max Dispersion Early 4 Very Poor 21 Fair 4 Very Poor 18 Gen Poor
Max Dispersion Late 4 Very Poor 20 Gen Poor 2 Very Poor 22 Fair
Category Day 1 2 1 2
Max LVORI Early 6 6 6 7
Max LVORI Late 7 4 7 4
Precip Chance (%) 30 70 40 60
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 2
Precip Amount 0.10 0.46 0.05 0.16
Precip Begin 8 PM Continuing Continuing 8 AM
Precip End Continuing Continuing 2 AM Continuing
Chance of Thunder (%) 30 70 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Southeast winds less than
10 mph.
.WEDNESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
64 percent. Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. Light
winds.
.THURSDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the lower 80s. Minimum RH 59 percent.
Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
66 percent. Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. South winds less than
10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the lower 80s. Minimum RH 66 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.SUNDAY...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.
$$
TNZ072-211845-
Blount Smoky Mountains-
Including the city of Cades Cove
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 68-73 (+1) 83-88 (+1) 67-72 84-89
RH % (24h trend) 92-97 (-1) 55-60 (-11) 87-92 53-58
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) SW 6 Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 7 NW 9 NE 3 N 6
Mixing Hgt(ft-agl) 190 3010 40 4410
Vent Rate (mph-ft) 1330 27090 120 26460
Max Dispersion Early 4 Very Poor 25 Fair 4 Very Poor 19 Gen Poor
Max Dispersion Late 4 Very Poor 22 Fair 2 Very Poor 23 Fair
Category Day 1 2 1 3
Max LVORI Early 6 7 6 7
Max LVORI Late 7 4 7 4
Precip Chance (%) 30 60 30 50
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 1 1 1
Precip Amount 0.09 0.34 0.03 0.07
Precip Begin 8 PM Continuing Continuing 8 AM
Precip End Continuing Continuing 2 AM 8 PM
Chance of Thunder (%) 20 60 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows around 70. Light winds.
.WEDNESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
60 percent. Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.THURSDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the upper 80s. Minimum RH 56 percent.
Light winds.
.THURSDAY NIGHT...Mostly clear. Lows around 70. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 80s. Minimum RH
59 percent. Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows around 70. South winds less than 10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the mid 80s. Minimum RH 60 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. South winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. Minimum RH 61 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.
$$
TNZ087-211845-
Southeast Monroe-
Including the cities of Citico and Coker Creek
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 66-71 (0) 84-89 (+1) 65-70 85-90
RH % (24h trend) 95-100 (-1) 54-59 (-11) 91-96 51-56
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 5 NW 8 NE 3 N 8
Mixing Hgt(ft-agl) 110 3040 4190
Vent Rate (mph-ft) 550 24320 0 33520
Max Dispersion Early 3 Very Poor 25 Fair 4 Very Poor 26 Fair
Max Dispersion Late 2 Very Poor 25 Fair 1 Very Poor 28 Fair
Category Day 1 2 1 3
Max LVORI Early 7 8 8 8
Max LVORI Late 9 3 9 4
Precip Chance (%) 20 60 20 50
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 1 1 1
Precip Amount 0.03 0.20 0.04 0.06
Precip Begin 8 PM Continuing Continuing 8 AM
Precip End Continuing Continuing 2 AM Continuing
Chance of Thunder (%) 20 60 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Light winds.
.WEDNESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
60 percent. Light winds.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light
winds.
.THURSDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the upper 80s. Minimum RH 57 percent.
Light winds.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 80s. Minimum RH
56 percent. Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. South winds less than
10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the mid 80s. Minimum RH 61 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. South
winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. Minimum RH 61 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.
$$
TNZ102-211845-
East Polk-
Including the cities of Big Frog Mountain, Ducktown,
and Turtletown
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Mclear Pcldy Pcldy Pcldy
Temp (24h trend) 67-72 (0) 87-92 (+2) 66-71 87-92
RH % (24h trend) 95-100 (0) 53-58 (-9) 91-96 51-56
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) NW 5 Lgt/Var
PM 20FT Wnd (mph) W 6 NW 5 N 5 N 5
Transport Wnd (mph) W 7 NW 9 N 3 N 9
Mixing Hgt(ft-agl) 190 3660 30 4470
Vent Rate (mph-ft) 1330 32940 90 40230
Max Dispersion Early 4 Very Poor 31 Fair 3 Very Poor 31 Fair
Max Dispersion Late 2 Very Poor 32 Fair 1 Very Poor 36 Fair
Category Day 1 3 1 3
Max LVORI Early 8 8 9 8
Max LVORI Late 9 3 9 3
Precip Chance (%) 0 50 10 40
Precip Type None Tstms Showers Tstms
Precip Duration 1 1 1
Precip Amount 0.00 0.21 0.01 0.05
Precip Begin 12 PM Continuing 2 PM
Precip End Continuing 2 AM 8 PM
Chance of Thunder (%) 0 50 0 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light
winds.
.WEDNESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
58 percent. Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.THURSDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the upper 80s. Minimum RH 53 percent.
Light winds.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
56 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 60s. South winds
less than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
58 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. South winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 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.
$$
NCZ060-211845-
Cherokee-
Including the cities of Andrews, Marble, Topton, Hiawasse Dam,
Murphy, Unaka, and Violet
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 66-71 (0) 86-91 (+2) 65-70 85-90
RH % (24h trend) 95-100 (-1) 49-54 (-12) 91-96 49-54
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) NW 6 NW 12 N 3 NW 8
Mixing Hgt(ft-agl) 240 3910 90 4410
Vent Rate (mph-ft) 1440 46920 270 35280
Max Dispersion Early 4 Very Poor 36 Fair 4 Very Poor 28 Fair
Max Dispersion Late 3 Very Poor 38 Fair 2 Very Poor 32 Fair
Category Day 1 3 1 3
Max LVORI Early 7 8 8 8
Max LVORI Late 8 3 9 4
Precip Chance (%) 0 50 20 50
Precip Type None Tstms Tstms Tstms
Precip Duration 1 1 1
Precip Amount 0.00 0.14 0.04 0.09
Precip Begin 10 AM Continuing 8 AM
Precip End Continuing 2 AM Continuing
Chance of Thunder (%) 0 50 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Light winds.
.WEDNESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
59 percent. Light winds.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Light winds.
.THURSDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
53 percent. Light winds.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the mid 80s. Minimum RH
57 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. South winds less than
10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the upper 80s. Minimum RH 59 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. Southwest
winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. Minimum RH 57 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.
$$
NCZ061-211845-
Clay-
Including the cities of Shooting Creek, Brasstown, Hayesville,
and Tusquitee
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 64-69 (0) 82-87 (+2) 63-68 81-86
RH % (24h trend) 95-100 (0) 56-61 (-11) 93-98 62-67
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) NW 8 Lgt/Var
PM 20FT Wnd (mph) NW 9 Lgt/Var N 6 Lgt/Var
Transport Wnd (mph) NW 7 NW 10 N 5 NW 6
Mixing Hgt(ft-agl) 140 3860 50 3740
Vent Rate (mph-ft) 980 38600 250 22440
Max Dispersion Early 4 Very Poor 35 Fair 4 Very Poor 18 Gen Poor
Max Dispersion Late 3 Very Poor 37 Fair 2 Very Poor 18 Gen Poor
Category Day 1 3 1 2
Max LVORI Early 8 8 8 8
Max LVORI Late 9 4 10 5
Precip Chance (%) 0 50 20 60
Precip Type None Tstms Tstms Tstms
Precip Duration 1 1 2
Precip Amount 0.00 0.15 0.04 0.18
Precip Begin 10 AM Continuing 8 AM
Precip End Continuing 2 AM Continuing
Chance of Thunder (%) 0 50 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Light winds.
.WEDNESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
66 percent. Light winds.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Light winds.
.THURSDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the lower 80s. Minimum RH 61 percent.
Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
65 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the mid 60s. Southwest winds less than
10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the lower 80s. Minimum RH 65 percent.
West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Northwest
winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 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.
$$
TNZ015-211845-
Hancock-
Including the cities of Evanston, Sneedville, Treadway,
and Kyles Ford
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mcldy Pcldy
Temp (24h trend) 67-72 (-1) 85-90 (0) 66-71 86-91
RH % (24h trend) 95-100 (-2) 58-63 (-7) 95-100 53-58
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 6 W 10 NE 5 NW 3
Mixing Hgt(ft-agl) 190 3590 180 4080
Vent Rate (mph-ft) 1140 35900 900 12240
Max Dispersion Early 4 Very Poor 33 Fair 2 Very Poor 11 Poor
Max Dispersion Late 2 Very Poor 31 Fair 2 Very Poor 12 Poor
Category Day 1 3 1 2
Max LVORI Early 9 9 10 9
Max LVORI Late 10 4 10 3
Precip Chance (%) 40 70 30 40
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 1
Precip Amount 0.10 0.60 0.14 0.03
Precip Begin 8 PM Continuing Continuing 2 PM
Precip End Continuing Continuing 2 AM 8 PM
Chance of Thunder (%) 40 70 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light
winds.
.WEDNESDAY...Sunny. Highs around 90. Minimum RH 51 percent. Light
winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 48 percent.
Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs around 90. Minimum RH 56 percent.
Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows around 70. Light and variable wind.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
58 percent. West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Southwest winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 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.
$$
TNZ016-211845-
Hawkins-
Including the city of Mooresburg
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mcldy Pcldy
Temp (24h trend) 68-73 (0) 85-90 (0) 67-72 86-91
RH % (24h trend) 95-100 (0) 59-64 (-7) 95-100 55-60
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 5 W 10 N 5 NW 3
Mixing Hgt(ft-agl) 230 3760 210 4050
Vent Rate (mph-ft) 1150 37600 1050 12150
Max Dispersion Early 3 Very Poor 30 Fair 3 Very Poor 11 Poor
Max Dispersion Late 2 Very Poor 32 Fair 2 Very Poor 12 Poor
Category Day 1 3 1 2
Max LVORI Early 9 9 9 9
Max LVORI Late 10 4 10 3
Precip Chance (%) 40 80 30 40
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 1
Precip Amount 0.15 0.53 0.24 0.03
Precip Begin 8 PM Continuing Continuing 2 PM
Precip End Continuing Continuing 2 AM 8 PM
Chance of Thunder (%) 40 70 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light
winds.
.WEDNESDAY...Sunny. Highs around 90. Minimum RH 53 percent. Light
winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 50 percent.
Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs around 90. Minimum RH 56 percent.
Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows around 70. Southwest winds
less than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
59 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Southwest winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. Minimum RH 60 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.
$$
TNZ017-211845-
Sullivan-
Including the cities of Kingsport, Bristol TN,
and South Holston Dam
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 68-73 (0) 83-88 (0) 66-71 84-89
RH % (24h trend) 95-100 (0) 64-69 (-2) 95-100 57-62
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) W 5 Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 6 W 9 W 3 E 5
Mixing Hgt(ft-agl) 330 3380 260 3240
Vent Rate (mph-ft) 1980 30420 780 16200
Max Dispersion Early 4 Very Poor 31 Fair 3 Very Poor 11 Poor
Max Dispersion Late 3 Very Poor 28 Fair 3 Very Poor 14 Gen Poor
Category Day 1 3 1 1
Max LVORI Early 8 9 9 9
Max LVORI Late 9 4 10 3
Precip Chance (%) 40 80 40 50
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 1
Precip Amount 0.19 0.72 0.57 0.05
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing 8 PM
Chance of Thunder (%) 40 70 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light
winds.
.WEDNESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 52 percent.
Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 49 percent. Light
winds.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the upper 80s. Minimum RH 56 percent.
Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows around 70. South winds less than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
62 percent. West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Southwest winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 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.
$$
TNZ046-211845-
Northwest Carter-
Including the city of Elizabethton
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 67-72 (+1) 82-87 (0) 65-70 82-87
RH % (24h trend) 92-97 (-2) 61-66 (-3) 92-97 54-59
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 7 W 10 W 6 E 6
Mixing Hgt(ft-agl) 220 3220 170 3090
Vent Rate (mph-ft) 1540 32200 1020 18540
Max Dispersion Early 6 Very Poor 33 Fair 5 Very Poor 12 Poor
Max Dispersion Late 5 Very Poor 30 Fair 3 Very Poor 15 Gen Poor
Category Day 1 3 1 2
Max LVORI Early 7 7 7 7
Max LVORI Late 8 4 8 4
Precip Chance (%) 40 80 40 50
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 1
Precip Amount 0.16 0.66 0.61 0.10
Precip Begin 8 PM Continuing Continuing Continuing
Precip End Continuing Continuing Continuing Continuing
Chance of Thunder (%) 40 70 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the mid 60s. Light winds.
.WEDNESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 51 percent.
Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 49 percent.
Light winds.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the upper 80s. Minimum RH 55 percent.
West winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. South winds less than
10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
60 percent. West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. Minimum RH 60 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.
$$
TNZ044-211845-
Washington TN-
Including the city of Johnson City
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 67-72 (0) 83-88 (0) 66-71 84-89
RH % (24h trend) 95-100 (0) 62-67 (-3) 95-100 58-63
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) SW 6 W 12 W 5 NW 3
Mixing Hgt(ft-agl) 290 3310 190 3180
Vent Rate (mph-ft) 1740 39720 950 9540
Max Dispersion Early 4 Very Poor 32 Fair 5 Very Poor 10 Poor
Max Dispersion Late 3 Very Poor 31 Fair 2 Very Poor 11 Poor
Category Day 1 3 1 1
Max LVORI Early 8 8 9 8
Max LVORI Late 9 4 9 3
Precip Chance (%) 40 80 40 50
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 1
Precip Amount 0.18 0.51 0.20 0.06
Precip Begin 8 PM Continuing Continuing 8 AM
Precip End Continuing Continuing 2 AM 8 PM
Chance of Thunder (%) 40 70 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light
winds.
.WEDNESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 53 percent.
Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 60s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 52 percent. Light
winds.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the upper 80s. Minimum RH 57 percent.
Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 60s. South winds
less than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
63 percent. West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Southwest winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 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.
$$
TNZ042-211845-
Northwest Greene-
Including the city of Greeneville
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 68-73 (0) 85-90 (+1) 67-72 86-91
RH % (24h trend) 95-100 (0) 59-64 (-5) 95-100 54-59
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 6 W 9 SW 6 NW 3
Mixing Hgt(ft-agl) 290 3740 190 3540
Vent Rate (mph-ft) 1740 33660 1140 10620
Max Dispersion Early 4 Very Poor 29 Fair 4 Very Poor 10 Poor
Max Dispersion Late 3 Very Poor 31 Fair 2 Very Poor 11 Poor
Category Day 1 3 1 2
Max LVORI Early 8 9 9 9
Max LVORI Late 9 4 10 3
Precip Chance (%) 40 70 30 50
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 1
Precip Amount 0.16 0.56 0.08 0.05
Precip Begin 8 PM Continuing Continuing 8 AM
Precip End Continuing Continuing 2 AM 8 PM
Chance of Thunder (%) 40 70 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light
winds.
.WEDNESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 53 percent. Light
winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 51 percent.
Light winds.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs around 90. Minimum RH 55 percent. Southwest
winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows around 70. South winds less
than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
60 percent. West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Southwest winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. Minimum RH 60 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.
$$
TNZ038-211845-
Grainger-
Including the city of Bean Station
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 69-74 (0) 87-92 (+1) 68-73 88-93
RH % (24h trend) 94-99 (0) 58-63 (-8) 93-98 53-58
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 5 W 12 N 5 N 3
Mixing Hgt(ft-agl) 200 4190 190 4550
Vent Rate (mph-ft) 1000 50280 950 13650
Max Dispersion Early 2 Very Poor 39 Fair 3 Very Poor 12 Poor
Max Dispersion Late 2 Very Poor 40 Fair 2 Very Poor 17 Gen Poor
Category Day 1 3 1 2
Max LVORI Early 8 9 8 8
Max LVORI Late 9 4 9 3
Precip Chance (%) 40 70 30 30
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 1
Precip Amount 0.13 0.35 0.02 0.03
Precip Begin 8 PM Continuing Continuing 2 PM
Precip End Continuing Continuing 2 AM 8 PM
Chance of Thunder (%) 40 60 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows around 70. Light winds.
.WEDNESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 53 percent.
Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows around 70. Light winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 50 percent.
Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
54 percent. Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. Southwest
winds less than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
57 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. Southwest winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 90s. Minimum RH 61 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.
$$
TNZ039-211845-
Hamblen-
Including the cities of Alpha, Morristown, and Russellville
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 70-75 (+1) 87-92 (+1) 68-73 88-93
RH % (24h trend) 95-100 (0) 58-63 (-8) 94-99 54-59
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 7 W 10 W 6 NW 3
Mixing Hgt(ft-agl) 250 4220 160 4230
Vent Rate (mph-ft) 1750 42200 960 12690
Max Dispersion Early 3 Very Poor 38 Fair 4 Very Poor 12 Poor
Max Dispersion Late 3 Very Poor 39 Fair 2 Very Poor 13 Gen Poor
Category Day 1 3 1 2
Max LVORI Early 8 9 9 9
Max LVORI Late 10 4 10 3
Precip Chance (%) 40 70 30 40
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 1
Precip Amount 0.28 0.48 0.02 0.03
Precip Begin 8 PM Continuing Continuing 2 PM
Precip End Continuing Continuing 2 AM 8 PM
Chance of Thunder (%) 40 70 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows around 70. Light winds.
.WEDNESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 53 percent.
Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 50 percent.
Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
54 percent. Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light and
variable wind.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
57 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. Southwest winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 90s. Minimum RH 60 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.
$$
TNZ040-211845-
Northwest Cocke-
Including the cities of Bybee and Newport
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 70-75 (+1) 86-91 (+1) 68-73 86-91
RH % (24h trend) 95-100 (+2) 56-61 (-7) 92-97 53-58
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) SW 5 Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 7 W 12 W 3 N 3
Mixing Hgt(ft-agl) 260 3930 180 3890
Vent Rate (mph-ft) 1820 47160 540 11670
Max Dispersion Early 3 Very Poor 35 Fair 4 Very Poor 12 Poor
Max Dispersion Late 4 Very Poor 40 Fair 2 Very Poor 13 Gen Poor
Category Day 1 3 1 2
Max LVORI Early 7 8 8 8
Max LVORI Late 8 4 9 3
Precip Chance (%) 40 70 30 50
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 1
Precip Amount 0.19 0.60 0.03 0.06
Precip Begin 8 PM 8 AM Continuing 8 AM
Precip End 3 AM Continuing 2 AM 8 PM
Chance of Thunder (%) 40 70 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows around 70. Light winds.
.WEDNESDAY...Sunny with a chance of showers and a slight chance
of thunderstorms. Highs in the lower 90s. Minimum RH 51 percent.
Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 49 percent.
Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows around 70. Light winds.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs around 90. Minimum RH 54 percent. Southwest
winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. South winds
less than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
57 percent. West winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. Southwest winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs around 90. Minimum RH 57 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.
$$
TNZ070-211845-
Jefferson-
Including the cities of Jefferson City, Strawberry Plains,
Chestnut Hill, Dandridge, and White Pine
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 70-75 (0) 88-93 (+2) 69-74 88-93
RH % (24h trend) 94-99 (+1) 57-62 (-8) 91-96 53-58
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 7 W 10 NW 5 NW 3
Mixing Hgt(ft-agl) 310 3990 240 4460
Vent Rate (mph-ft) 2170 39900 1200 13380
Max Dispersion Early 3 Very Poor 32 Fair 4 Very Poor 12 Poor
Max Dispersion Late 3 Very Poor 37 Fair 2 Very Poor 13 Gen Poor
Category Day 1 3 1 2
Max LVORI Early 7 8 8 8
Max LVORI Late 9 4 9 3
Precip Chance (%) 30 70 30 40
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 1
Precip Amount 0.14 0.54 0.02 0.04
Precip Begin 8 PM Continuing Continuing 2 PM
Precip End Continuing Continuing 2 AM 8 PM
Chance of Thunder (%) 30 70 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.WEDNESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 53 percent.
Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 70s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 50 percent.
Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the lower 90s. Minimum RH 54 percent.
Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. Southwest
winds less than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
56 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. Southwest winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 90s. 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.
$$
TNZ035-211845-
Morgan-
Including the cities of Pine Orchard, High Point, and Petros
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 68-73 (0) 86-91 (+1) 67-72 87-92
RH % (24h trend) 95-100 (0) 54-59 (-7) 95-100 54-59
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 7 W 13 N 3 N 7
Mixing Hgt(ft-agl) 260 4700 110 5050
Vent Rate (mph-ft) 1820 61100 330 35350
Max Dispersion Early 4 Very Poor 45 Gen Good 3 Very Poor 22 Fair
Max Dispersion Late 3 Very Poor 51 Gen Good 1 Very Poor 30 Fair
Category Day 1 4 1 3
Max LVORI Early 8 8 9 9
Max LVORI Late 9 4 10 3
Precip Chance (%) 20 70 30 40
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 1
Precip Amount 0.04 0.40 0.02 0.04
Precip Begin 8 PM Continuing Continuing 2 PM
Precip End Continuing Continuing 2 AM 8 PM
Chance of Thunder (%) 20 60 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light
winds.
.WEDNESDAY...Sunny with a chance of showers and a slight chance
of thunderstorms. Highs around 90. Minimum RH 57 percent. Light
winds.
.WEDNESDAY NIGHT...Mostly clear. Lows around 70. Light winds.
.THURSDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs around 90. Minimum RH 54 percent. Light
winds.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the upper 80s. Minimum RH 55 percent.
Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows around 70. South winds less
than 10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the upper 80s. Minimum RH 60 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Southwest winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 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.
$$
TNZ012-211845-
Scott TN-
Including the cities of Big South Fork National, Oneida,
Smokey Junction, Elgin, Huntsville, Norma, and Slick Rock
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 68-73 (0) 85-90 (+1) 66-71 85-90
RH % (24h trend) 95-100 (0) 59-64 (-5) 95-100 56-61
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) SW 6 W 13 N 3 N 6
Mixing Hgt(ft-agl) 280 4310 120 4840
Vent Rate (mph-ft) 1680 56030 360 29040
Max Dispersion Early 3 Very Poor 43 Gen Good 3 Very Poor 17 Gen Poor
Max Dispersion Late 3 Very Poor 47 Gen Good 1 Very Poor 24 Fair
Category Day 1 3 1 3
Max LVORI Early 8 8 9 9
Max LVORI Late 9 4 10 3
Precip Chance (%) 30 70 30 40
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 1
Precip Amount 0.10 0.34 0.02 0.04
Precip Begin 8 PM Continuing Continuing 2 PM
Precip End Continuing Continuing 2 AM 8 PM
Chance of Thunder (%) 30 60 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.WEDNESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 58 percent. Light
winds.
.WEDNESDAY NIGHT...Mostly clear. Lows around 70. Light winds.
.THURSDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the upper 80s. Minimum RH 57 percent.
Light winds.
.THURSDAY NIGHT...Mostly clear. Lows around 70. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
59 percent. Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows around 70. South winds less
than 10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the upper 80s. Minimum RH 63 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Southwest winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 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.
$$
TNZ013-211845-
Campbell-
Including the cities of Fincastle, La Follette, Elk Valley,
Jellico, White Oak, Caryville, and Royal Blue
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 69-74 (+1) 83-88 (0) 67-72 84-89
RH % (24h trend) 94-99 (-1) 57-62 (-8) 93-98 56-61
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 7 W 13 N 3 N 5
Mixing Hgt(ft-agl) 170 4220 60 4540
Vent Rate (mph-ft) 1190 54860 180 22700
Max Dispersion Early 3 Very Poor 44 Gen Good 3 Very Poor 16 Gen Poor
Max Dispersion Late 3 Very Poor 44 Gen Good 1 Very Poor 19 Gen Poor
Category Day 1 3 1 2
Max LVORI Early 7 7 8 9
Max LVORI Late 9 4 10 3
Precip Chance (%) 30 70 30 40
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 1
Precip Amount 0.05 0.50 0.03 0.03
Precip Begin 8 PM Continuing Continuing 2 PM
Precip End Continuing Continuing 2 AM 8 PM
Chance of Thunder (%) 30 60 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light
winds.
.WEDNESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 56 percent.
Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows around 70. Light winds.
.THURSDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the upper 80s. Minimum RH 55 percent.
Light winds.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 70s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
60 percent. Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. South winds
less than 10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the mid 80s. Minimum RH 62 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. Southwest winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 64 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.
$$
TNZ014-211845-
Claiborne-
Including the cities of Lone Mountain, Sandlick, Springdale,
Arthur, Harrogate-Shawanee, Clairfield, and Howard Quarter
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 68-73 (0) 85-90 (0) 67-72 86-91
RH % (24h trend) 95-100 (-1) 58-63 (-7) 95-100 54-59
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 6 W 12 N 3 N 3
Mixing Hgt(ft-agl) 210 3930 160 4160
Vent Rate (mph-ft) 1260 47160 480 12480
Max Dispersion Early 2 Very Poor 39 Fair 3 Very Poor 12 Poor
Max Dispersion Late 2 Very Poor 38 Fair 1 Very Poor 15 Gen Poor
Category Day 1 3 1 2
Max LVORI Early 9 9 9 9
Max LVORI Late 9 4 10 3
Precip Chance (%) 30 70 30 30
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 1
Precip Amount 0.16 0.70 0.02 0.03
Precip Begin 8 PM Continuing Continuing 2 PM
Precip End Continuing Continuing 2 AM 8 PM
Chance of Thunder (%) 30 70 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 60s. Light
winds.
.WEDNESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 53 percent. Light
winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 50 percent.
Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows around 70. Light winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs around 90. Minimum RH 58 percent.
Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows around 70. Southwest winds
less than 10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the upper 80s. Minimum RH 60 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 70. Southwest winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. Minimum RH 61 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.
$$
TNZ037-211845-
Union-
Including the cities of Maynardville, Norris Lake, Paulette,
Rose Hill, Sharps Chapel, and Luttrell
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 69-74 (0) 87-92 (+2) 68-73 87-92
RH % (24h trend) 95-100 (+1) 57-62 (-8) 92-97 54-59
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) SW 6 W 10 N 3 N 3
Mixing Hgt(ft-agl) 270 4380 210 4550
Vent Rate (mph-ft) 1620 43800 630 13650
Max Dispersion Early 2 Very Poor 39 Fair 2 Very Poor 12 Poor
Max Dispersion Late 2 Very Poor 42 Gen Good 2 Very Poor 16 Gen Poor
Category Day 1 3 1 2
Max LVORI Early 8 9 9 9
Max LVORI Late 9 4 10 3
Precip Chance (%) 30 70 30 30
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 1
Precip Amount 0.03 0.46 0.02 0.03
Precip Begin 8 PM Continuing Continuing 2 PM
Precip End Continuing Continuing 2 AM 8 PM
Chance of Thunder (%) 30 60 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows around 70. Light winds.
.WEDNESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 53 percent.
Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows around 70. Light winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 50 percent.
Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
55 percent. Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. Southwest
winds less than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
57 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. Southwest winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs around 90. Minimum RH 61 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.
$$
TNZ036-211845-
Anderson-
Including the cities of Oak Ridge and Clinton
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 69-74 (0) 86-91 (+2) 68-73 86-91
RH % (24h trend) 94-99 (0) 54-59 (-8) 91-96 53-58
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 6 W 10 NE 3 N 6
Mixing Hgt(ft-agl) 230 4510 110 4640
Vent Rate (mph-ft) 1380 45100 330 27840
Max Dispersion Early 3 Very Poor 39 Fair 2 Very Poor 17 Gen Poor
Max Dispersion Late 3 Very Poor 41 Gen Good 1 Very Poor 24 Fair
Category Day 1 3 1 3
Max LVORI Early 7 7 8 8
Max LVORI Late 8 4 9 3
Precip Chance (%) 30 60 30 40
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 1
Precip Amount 0.01 0.36 0.02 0.04
Precip Begin 8 PM Continuing Continuing 2 PM
Precip End Continuing Continuing 2 AM 8 PM
Chance of Thunder (%) 30 60 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.WEDNESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 55 percent. Light
winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 70s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 52 percent. Light
winds.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
54 percent. Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. Southwest
winds less than 10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the upper 80s. Minimum RH 59 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. Southwest winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 80s. Minimum RH 61 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.
$$
TNZ069-211845-
Knox-
Including the cities of Bearden, Knoxville, and Lake Forest
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 70-75 (0) 88-93 (+2) 69-74 89-94
RH % (24h trend) 93-98 (+1) 55-60 (-6) 90-95 51-56
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) SW 6 W 9 NE 3 N 5
Mixing Hgt(ft-agl) 310 4590 140 4970
Vent Rate (mph-ft) 1860 41310 420 24850
Max Dispersion Early 2 Very Poor 34 Fair 3 Very Poor 17 Gen Poor
Max Dispersion Late 2 Very Poor 39 Fair 1 Very Poor 21 Fair
Category Day 1 3 1 2
Max LVORI Early 7 7 8 8
Max LVORI Late 9 4 9 3
Precip Chance (%) 30 60 30 30
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 1 1 1
Precip Amount 0.02 0.39 0.03 0.04
Precip Begin 8 PM Continuing Continuing 2 PM
Precip End Continuing Continuing 2 AM 8 PM
Chance of Thunder (%) 30 60 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.WEDNESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 51 percent.
Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 70s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 49 percent.
Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
52 percent. Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. Southwest
winds less than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
54 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. Southwest winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 90s. Minimum RH 57 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.
$$
TNZ073-211845-
North Sevier-
Including the cities of Harrisburg, Kodak, McMahan, Sevierville,
Seymour, and Pigeon Forge
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 70-75 (+1) 88-93 (+2) 68-73 88-93
RH % (24h trend) 94-99 (+1) 54-59 (-7) 90-95 50-55
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) SW 6 Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) SW 7 W 9 SE 3 N 5
Mixing Hgt(ft-agl) 360 3540 150 4660
Vent Rate (mph-ft) 2520 31860 450 23300
Max Dispersion Early 4 Very Poor 28 Fair 5 Very Poor 15 Gen Poor
Max Dispersion Late 4 Very Poor 28 Fair 2 Very Poor 19 Gen Poor
Category Day 1 3 1 2
Max LVORI Early 6 7 7 8
Max LVORI Late 9 4 9 3
Precip Chance (%) 30 60 30 50
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 2 1 1
Precip Amount 0.08 0.50 0.03 0.05
Precip Begin 8 PM Continuing Continuing 8 AM
Precip End Continuing Continuing 2 AM 8 PM
Chance of Thunder (%) 30 60 30 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.WEDNESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
53 percent. Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows around 70. Light winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 49 percent.
Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the lower 90s. Minimum RH 53 percent.
Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. South winds
less than 10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the lower 90s. Minimum RH 55 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. South winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 90s. Minimum RH 56 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.
$$
TNZ067-211845-
Roane-
Including the cities of Harriman, Eagle Furnace, Rockwood,
Bradbury, Fairview, Kingston, and Oliver Springs
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 70-75 (+1) 90-95 (+1) 69-74 90-95
RH % (24h trend) 95-100 (-1) 53-58 (-6) 93-98 53-58
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) SW 6 W 10 N 3 N 7
Mixing Hgt(ft-agl) 270 5290 140 5270
Vent Rate (mph-ft) 1620 52900 420 36890
Max Dispersion Early 4 Very Poor 46 Gen Good 3 Very Poor 25 Fair
Max Dispersion Late 2 Very Poor 50 Gen Good 1 Very Poor 31 Fair
Category Day 1 4 1 3
Max LVORI Early 8 8 9 9
Max LVORI Late 9 4 10 3
Precip Chance (%) 20 60 20 30
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 1 1 1
Precip Amount 0.01 0.30 0.02 0.03
Precip Begin 8 PM 9 AM Continuing 2 PM
Precip End 3 AM Continuing 2 AM 8 PM
Chance of Thunder (%) 20 60 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.WEDNESDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 55 percent.
Light winds.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 52 percent.
Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the lower 90s. Minimum RH 52 percent.
South winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light and
variable wind.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the lower 90s. Minimum RH 57 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. Southwest winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 90s. Minimum RH 60 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.
$$
TNZ068-211845-
Loudon-
Including the cities of Lenoir City and Loudon
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 70-75 (+1) 90-95 (+2) 69-74 90-95
RH % (24h trend) 95-100 (-1) 54-59 (-5) 91-96 51-56
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) SW 7 W 10 NE 3 N 7
Mixing Hgt(ft-agl) 300 4990 120 5160
Vent Rate (mph-ft) 2100 49900 360 36120
Max Dispersion Early 3 Very Poor 41 Gen Good 5 Very Poor 23 Fair
Max Dispersion Late 2 Very Poor 46 Gen Good 1 Very Poor 30 Fair
Category Day 1 3 1 3
Max LVORI Early 8 8 9 9
Max LVORI Late 10 4 10 3
Precip Chance (%) 20 50 20 30
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 1 1 1
Precip Amount 0.02 0.34 0.03 0.03
Precip Begin 8 PM 11 AM Continuing 2 PM
Precip End 3 AM Continuing 2 AM 8 PM
Chance of Thunder (%) 20 50 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 53 percent.
Light winds.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 51 percent.
Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
51 percent. Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. South winds
less than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
55 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 70s. Southwest winds less
than 10 mph.
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 90s. 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.
$$
TNZ071-211845-
Northwest Blount-
Including the cities of Happy Valley, Maryville, and Alcoa
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 70-75 (0) 88-93 (+2) 69-74 89-94
RH % (24h trend) 94-99 (0) 55-60 (-7) 88-93 51-56
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) SW 5 N 5 Lgt/Var N 5
Transport Wnd (mph) SW 6 W 9 E 3 N 6
Mixing Hgt(ft-agl) 320 3730 130 4810
Vent Rate (mph-ft) 1920 33570 390 28860
Max Dispersion Early 4 Very Poor 30 Fair 5 Very Poor 18 Gen Poor
Max Dispersion Late 3 Very Poor 28 Fair 2 Very Poor 22 Fair
Category Day 1 3 1 3
Max LVORI Early 6 7 7 8
Max LVORI Late 8 3 9 3
Precip Chance (%) 30 60 30 40
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 1 1 1
Precip Amount 0.04 0.30 0.03 0.04
Precip Begin 8 PM Continuing Continuing 2 PM
Precip End Continuing Continuing 2 AM 8 PM
Chance of Thunder (%) 30 60 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 55 percent.
Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 70s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 51 percent.
Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
54 percent. Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. South winds
less than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs around 90. Minimum RH 56 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the lower 70s. South winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 90s. Minimum RH 57 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.
$$
TNZ086-211845-
Northwest Monroe-
Including the cities of Sweetwater, Madisonville,
and Bullet Creek
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 69-74 (0) 89-94 (+1) 68-73 90-95
RH % (24h trend) 95-100 (0) 54-59 (-7) 92-97 51-56
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) SW 6 NW 9 NE 3 N 7
Mixing Hgt(ft-agl) 330 4390 100 4830
Vent Rate (mph-ft) 1980 39510 300 33810
Max Dispersion Early 4 Very Poor 31 Fair 4 Very Poor 24 Fair
Max Dispersion Late 3 Very Poor 34 Fair 1 Very Poor 29 Fair
Category Day 1 3 1 3
Max LVORI Early 7 8 10 9
Max LVORI Late 9 3 10 3
Precip Chance (%) 20 50 20 40
Precip Type Tstms Tstms Tstms Tstms
Precip Duration 1 1 1 1
Precip Amount 0.02 0.17 0.08 0.04
Precip Begin 8 PM 8 AM Continuing 2 PM
Precip End 2 AM Continuing 2 AM 8 PM
Chance of Thunder (%) 20 50 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.WEDNESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
57 percent. Light winds.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 54 percent.
Light winds.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 70s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
52 percent. Southwest winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. South winds
less than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
56 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 70s. South winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 90s. 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.
$$
TNZ083-211845-
Rhea-
Including the cities of Dayton, Evensville, Old Washington,
Grandview, and Spring City
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 68-73 (0) 89-94 (+1) 68-73 89-94
RH % (24h trend) 95-100 (-2) 57-62 (-5) 93-98 57-62
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 7 W 13 N 3 N 7
Mixing Hgt(ft-agl) 190 5490 80 4950
Vent Rate (mph-ft) 1330 71370 240 34650
Max Dispersion Early 4 Very Poor 58 Gen Good 5 Very Poor 28 Fair
Max Dispersion Late 3 Very Poor 58 Gen Good 1 Very Poor 30 Fair
Category Day 1 4 1 3
Max LVORI Early 8 8 9 9
Max LVORI Late 9 3 10 4
Precip Chance (%) 0 50 20 40
Precip Type None Tstms Tstms Tstms
Precip Duration 1 1 1
Precip Amount 0.00 0.38 0.02 0.04
Precip Begin 9 AM Continuing 2 PM
Precip End Continuing 2 AM 8 PM
Chance of Thunder (%) 0 50 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.WEDNESDAY...Sunny with a chance of showers and a slight chance
of thunderstorms. Highs in the lower 90s. Minimum RH 60 percent.
Light winds.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 57 percent. Light
winds.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs around 90. Minimum RH 57 percent. South
winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. Southwest
winds less than 10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the upper 80s. Minimum RH 61 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 70s. Southwest
winds less than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 90s. 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.
$$
TNZ084-211845-
Meigs-
Including the city of Big Spring
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 69-74 (0) 91-96 (+2) 69-74 90-95
RH % (24h trend) 95-100 (-1) 54-59 (-5) 93-98 55-60
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) SW 6 W 12 N 2 N 7
Mixing Hgt(ft-agl) 300 5610 160 4680
Vent Rate (mph-ft) 1800 67320 320 32760
Max Dispersion Early 4 Very Poor 54 Gen Good 4 Very Poor 23 Fair
Max Dispersion Late 2 Very Poor 57 Gen Good 1 Very Poor 28 Fair
Category Day 1 4 1 3
Max LVORI Early 9 9 10 10
Max LVORI Late 10 3 10 3
Precip Chance (%) 0 50 20 30
Precip Type None Tstms Tstms Tstms
Precip Duration 1 1 1
Precip Amount 0.00 0.27 0.03 0.04
Precip Begin 10 AM Continuing 2 PM
Precip End Continuing 2 AM 8 PM
Chance of Thunder (%) 0 50 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.WEDNESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
57 percent. Light winds.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 54 percent.
Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the lower 90s. Minimum RH 53 percent.
South winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light and
variable wind.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
57 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 70s. Light and variable
wind.
.SUNDAY...Mostly sunny with showers and thunderstorms likely.
Highs in the lower 90s. Minimum RH 60 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.
$$
TNZ085-211845-
McMinn-
Including the cities of Athens, Clear Water, Dentville,
and Etowah
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Temp (24h trend) 69-74 (0) 91-96 (+2) 68-73 90-95
RH % (24h trend) 95-100 (-1) 53-58 (-6) 94-99 50-55
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) SW 6 W 10 NE 3 N 7
Mixing Hgt(ft-agl) 270 5230 110 4710
Vent Rate (mph-ft) 1620 52300 330 32970
Max Dispersion Early 4 Very Poor 40 Fair 4 Very Poor 24 Fair
Max Dispersion Late 2 Very Poor 48 Gen Good 1 Very Poor 29 Fair
Category Day 1 3 1 3
Max LVORI Early 9 9 10 10
Max LVORI Late 10 3 10 3
Precip Chance (%) 0 50 20 30
Precip Type None Tstms Tstms Tstms
Precip Duration 1 1 1
Precip Amount 0.00 0.15 0.10 0.04
Precip Begin 12 PM Continuing 2 PM
Precip End Continuing 2 AM 8 PM
Chance of Thunder (%) 0 50 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.WEDNESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 56 percent.
Light winds.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 53 percent.
Light winds.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
52 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. South winds
less than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
56 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 70s. South winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 90s. Minimum RH 57 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.
$$
TNZ099-211845-
Hamilton-
Including the cities of Chattanooga, Lookout Mountain,
and Signal Mountain
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Mclear Pcldy Pcldy Pcldy
Temp (24h trend) 70-75 (+1) 90-95 (+2) 70-75 90-95
RH % (24h trend) 95-100 (0) 53-58 (-8) 89-94 51-56
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) W 5 NW 5 Lgt/Var Lgt/Var
Transport Wnd (mph) W 6 W 12 N 3 N 8
Mixing Hgt(ft-agl) 210 5580 110 4190
Vent Rate (mph-ft) 1260 66960 330 33520
Max Dispersion Early 6 Very Poor 55 Gen Good 6 Very Poor 26 Fair
Max Dispersion Late 2 Very Poor 55 Gen Good 1 Very Poor 30 Fair
Category Day 1 4 1 3
Max LVORI Early 7 7 8 8
Max LVORI Late 9 3 9 3
Precip Chance (%) 0 50 0 30
Precip Type None Tstms None Tstms
Precip Duration 1 1
Precip Amount 0.00 0.09 0.00 0.03
Precip Begin 12 PM 2 PM
Precip End 8 PM 8 PM
Chance of Thunder (%) 0 50 0 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.WEDNESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
58 percent. Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 70s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 55 percent. Light
winds.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 70s. Light
winds.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs around 90. Minimum RH 56 percent. South
winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. South winds
less than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
59 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 70s. Southwest winds less
than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 90s. Minimum RH 60 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.
$$
TNZ100-211845-
Bradley-
Including the cities of Cleveland and Tasso
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Mclear Pcldy Pcldy Pcldy
Temp (24h trend) 70-75 (+1) 91-96 (+2) 69-74 90-95
RH % (24h trend) 95-100 (0) 53-58 (-6) 94-99 49-54
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) SW 5 NW 10 N 3 N 8
Mixing Hgt(ft-agl) 290 5180 200 4340
Vent Rate (mph-ft) 1450 51800 600 34720
Max Dispersion Early 4 Very Poor 35 Fair 6 Very Poor 27 Fair
Max Dispersion Late 2 Very Poor 46 Gen Good 1 Very Poor 32 Fair
Category Day 1 3 1 3
Max LVORI Early 9 9 9 10
Max LVORI Late 10 3 10 3
Precip Chance (%) 0 50 0 30
Precip Type None Tstms None Tstms
Precip Duration 1 1
Precip Amount 0.00 0.15 0.00 0.04
Precip Begin 12 PM 2 PM
Precip End 8 PM 8 PM
Chance of Thunder (%) 0 50 0 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.WEDNESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
58 percent. Light winds.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 54 percent.
Light winds.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 70s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
52 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. South winds
less than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
55 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 70s. Southwest winds less
than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 90s. 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.
$$
TNZ101-211845-
West Polk-
Including the cities of Conasauga, Archville, Benton, Parksville,
and Reliance
136 PM EDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Mclear Pcldy Pcldy Pcldy
Temp (24h trend) 69-74 (+1) 89-94 (+2) 68-73 89-94
RH % (24h trend) 95-100 (0) 52-57 (-7) 94-99 49-54
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) SW 6 NW 9 NE 3 N 8
Mixing Hgt(ft-agl) 320 4190 150 4550
Vent Rate (mph-ft) 1920 37710 450 36400
Max Dispersion Early 4 Very Poor 30 Fair 5 Very Poor 28 Fair
Max Dispersion Late 3 Very Poor 33 Fair 2 Very Poor 33 Fair
Category Day 1 3 1 3
Max LVORI Early 8 8 9 9
Max LVORI Late 9 3 10 3
Precip Chance (%) 0 50 0 40
Precip Type None Tstms None Tstms
Precip Duration 1 1
Precip Amount 0.00 0.21 0.00 0.05
Precip Begin 12 PM 2 PM
Precip End 8 PM 8 PM
Chance of Thunder (%) 0 50 0 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.WEDNESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
56 percent. Light winds.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 70. Light winds.
.THURSDAY...Sunny with a slight chance of showers and
thunderstorms. Highs around 90. Minimum RH 53 percent. Light
winds.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 70s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs around 90. Minimum RH 53 percent.
South winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. South winds
less than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the lower 90s. Minimum RH
55 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 70s. South winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 90s. Minimum RH 57 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.
$$
TNZ082-211845-
Bledsoe-
Including the cities of Old Cumberland, Palio, Melvine,
Mount Crest, Pikeville, and Brayton
1236 PM CDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Mclear Pcldy Pcldy Pcldy
Temp (24h trend) 67-72 (-1) 87-92 (+1) 67-72 87-92
RH % (24h trend) 95-100 (-1) 54-59 (-7) 95-100 53-58
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 8 W 13 NW 7 N 8
Mixing Hgt(ft-agl) 20 4820 4850
Vent Rate (mph-ft) 160 62660 0 38800
Max Dispersion Early 6 Very Poor 54 Gen Good 6 Very Poor 31 Fair
Max Dispersion Late 2 Very Poor 54 Gen Good 1 Very Poor 34 Fair
Category Day 1 4 1 3
Max LVORI Early 8 8 9 9
Max LVORI Late 9 3 10 3
Precip Chance (%) 0 50 20 40
Precip Type None Tstms Tstms Tstms
Precip Duration 1 1 1
Precip Amount 0.00 0.34 0.01 0.03
Precip Begin 12 PM Continuing 2 PM
Precip End Continuing 2 AM 8 PM
Chance of Thunder (%) 0 50 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows around 70. Light winds.
.WEDNESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs around 90. Minimum RH 59 percent.
Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows around 70. Light winds.
.THURSDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the upper 80s. Minimum RH 57 percent.
Light winds.
.THURSDAY NIGHT...Mostly clear. Lows around 70. Light winds.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the upper 80s. Minimum RH 56 percent.
South winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows around 70. South winds less
than 10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the upper 80s. Minimum RH 61 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows around 70. Southwest winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 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.
$$
TNZ081-211845-
Sequatchie-
Including the cities of Cagle, Dunlap, Cartwright, and Lone Oak
1236 PM CDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Mclear Pcldy Pcldy Pcldy
Temp (24h trend) 67-72 (0) 86-91 (+1) 67-72 86-91
RH % (24h trend) 95-100 (-2) 58-63 (-7) 90-95 57-62
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 8 W 13 NW 9 N 8
Mixing Hgt(ft-agl) 5160 4600
Vent Rate (mph-ft) 0 67080 0 36800
Max Dispersion Early 5 Very Poor 55 Gen Good 5 Very Poor 28 Fair
Max Dispersion Late 2 Very Poor 57 Gen Good 1 Very Poor 30 Fair
Category Day 1 4 1 3
Max LVORI Early 7 7 8 9
Max LVORI Late 8 3 9 3
Precip Chance (%) 0 50 20 40
Precip Type None Tstms Tstms Tstms
Precip Duration 1 1 1
Precip Amount 0.00 0.17 0.02 0.03
Precip Begin 1 PM Continuing 2 PM
Precip End Continuing 2 AM 8 PM
Chance of Thunder (%) 0 50 20 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows around 70. Light winds.
.WEDNESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
64 percent. Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Light
winds.
.THURSDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the upper 80s. Minimum RH 59 percent.
Light winds.
.THURSDAY NIGHT...Mostly clear. Lows around 70. Light winds.
.FRIDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the upper 80s. Minimum RH 59 percent.
South winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows around 70. South winds less
than 10 mph.
.SATURDAY...Mostly sunny with showers likely and a slight chance
of thunderstorms. Highs in the mid 80s. Minimum RH 63 percent.
Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows around 70. Southwest winds less than
10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 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.
$$
TNZ098-211845-
Marion-
Including the cities of South Pittsburg, Haletown (Guild),
Jasper, Martin Springs, Whitwell, Powells Crossroads,
and Monteagle
1236 PM CDT Sun Jul 20 2025
Tonight Mon Mon Night Tue
Cloud Cover Mclear Pcldy Pcldy Pcldy
Temp (24h trend) 69-74 (+1) 87-92 (+2) 68-73 87-92
RH % (24h trend) 92-97 (-3) 55-60 (-9) 88-93 53-58
RH Recovery Excellent Excellent
AM 20FT Wnd (mph) Lgt/Var Lgt/Var
PM 20FT Wnd (mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Transport Wnd (mph) W 6 W 14 NW 5 N 7
Mixing Hgt(ft-agl) 70 5040 5340
Vent Rate (mph-ft) 420 70560 0 37380
Max Dispersion Early 7 Poor 58 Gen Good 6 Very Poor 30 Fair
Max Dispersion Late 2 Very Poor 53 Gen Good 2 Very Poor 33 Fair
Category Day 1 4 1 3
Max LVORI Early 6 7 7 7
Max LVORI Late 8 3 8 3
Precip Chance (%) 0 50 0 30
Precip Type None Tstms None Tstms
Precip Duration 1 1
Precip Amount 0.00 0.08 0.00 0.05
Precip Begin 1 PM 2 PM
Precip End Continuing 8 PM
Chance of Thunder (%) 0 50 0 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 70s. Light
winds.
.WEDNESDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
60 percent. Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 70s. Light
winds.
.THURSDAY...Sunny with a chance of showers and a slight chance of
thunderstorms. Highs in the upper 80s. Minimum RH 55 percent.
Light winds.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 70s. Light
winds.
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
56 percent. South winds less than 10 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 70s. South winds
less than 10 mph.
.SATURDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 80s. Minimum RH
60 percent. Southwest winds less than 10 mph.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 70s. Southwest winds less
than 10 mph.
.SUNDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 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.
$$
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