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FNUS51 KRNK 210626
FWFRNK
Fire Weather Planning Forecast for SW VA...SE WV and NW NC
National Weather Service Blacksburg VA
226 AM EDT Fri Aug 21 2026
.DISCUSSION...
Widely scattered showers and thunderstorms will develop across
the lower Mid-Atlantic this afternoon and evening, resulting in
localized rounds of wetting rainfall. Minimum RH holding at 50
percent or above areawide.
A drier airmass arrives on Sunday with min RH values falling
below 50 percent. Breezy northwest winds through Monday.
WVZ042-212015-
Mercer-
Including the cities of Bluefield and Flat Top
226 AM EDT Fri Aug 21 2026
Today Tonight Sat
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Tstms Tstms None
Chance Precip (%) 80 80 0
Chance of Thunder (%) 70 70 0
Max/Min Temp 80 62 79
Min/Max RH % 70 100 65
Wind 20ft/early(mph) Lgt/Var Lgt/Var Lgt/Var
Wind 20ft/late(mph) Lgt/Var Lgt/Var W 3
Precip Amount 0.23 0.16 0.00
Precip Duration 4 3
Precip Begin 8 AM Continuing
Precip End Continuing 2 AM
Mixing Hgt(ft-agl) 3950 5910
Transport Wnd (mph) SE 6 W 8
Vent Rate (mph-ft) 23700 47280
Dispersion Very Poor
Max ADI Early 18 Gen Poor 19 Gen Poor 14 Gen Poor
Max ADI Late 29 Fair 4 Very Poor 59 Gen Good
Max LVORI Early 10 9 10
Max LVORI Late 4 9 4
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows around 60. West winds 5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s. Minimum RH
60 percent. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds
around 5 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. Minimum RH
51 percent. West winds around 5 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest
winds around 5 mph.
.TUESDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
50 percent. Southwest winds around 5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows around 60. Southwest winds
around 5 mph.
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs around 80. Minimum RH 58 percent. South
winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds around 5 mph.
.THURSDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 74 percent.
Southwest winds around 5 mph.
.OUTLOOK 8 TO 14 DAYS...
Temperatures above normal. Precipitation above normal.