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Fire Weather Planning Forecast
National Weather Service Charleston WV
248 PM EDT Mon Sep 21 2026
.DISCUSSION...
Heavy rain and localized flash flooding will remain possible this
morning across northern West Virginia and southeast Ohio. Additional
heavy downpours and isolated strong thunderstorms could bring more
flooding and gusty winds late this afternoon and tonight.
Temperatures will turn much cooler starting Tuesday and Wednesday
with lingering rain showers. Drier and pleasant weather is expected
to return by the end of the week.
Calhoun-
Including the city of Grantsville
248 PM EDT Mon Sep 21 2026
Tonight Tue Tue Night Wed
Cloud cover Mcldy Mcldy Mcldy Mcldy
Precip type Tstms Tstms Tstms Tstms
Chance precip (%) 80 60 80 70
Chance of Thunder (%) 50 50 50 20
Min/Max TEMP 61 73 58 69
Max/Min RH % 100 94 100 93
20ftWnd-val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip amount 0.46 0.29 0.32 0.22
Precip duration 6 4 8 9
Precip begin 6 PM Continuing Continuing Continuing
Precip end Continuing Continuing Continuing Continuing
Mixing hgt(ft-AGL/MSL) 2280 2110
Transport wnd (mph) N 2 E 7
Vent rate (kt-ft) 5230 19020
Dispersion VERY POOR VERY POOR
ADI early 3 VERY POOR 3 VERY POOR 2 VERY POOR 7 POOR
ADI late 1 VERY POOR 6 VERY POOR 2 VERY POOR 16 GEN POOR
Max LVORI early 10 10 10 9
Max LVORI late 10 9 10 8
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
50s. Highs in the upper 60s. Northeast winds around 5 mph.
.FRIDAY...Partly cloudy. Lows in the upper 40s. Highs in the mid
60s. North winds 5 to 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
60s. North winds 5 to 10 mph.
.SUNDAY...Partly cloudy. Lows in the upper 40s. Highs in the
upper 60s. North winds 5 to 10 mph.
.MONDAY...Partly cloudy. Lows in the upper 40s. Highs in the
lower 70s. Northeast winds 5 to 10 mph.