National Weather Service United States Department of Commerce

Heavy Rainfall and Severe Thunderstorms in the Midwest and Ohio Valley Tuesday

Multiple rounds of severe thunderstorms appear likely Tuesday across the Midwest and Ohio Valley, with severe wind gusts in excess of 75 mph as the primary threat. Heavy to excessive rainfall may lead to considerable flash and urban flooding impacts Tuesday across portions of the Ohio Valley. A Moderate Risk (level 3 of 4) of excessive rainfall has been issued. Read More >

Fire Weather Forecast Banner for Alleghany County


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FNUS51 KRNK 101751
FWFRNK

Fire Weather Planning Forecast for SW VA...SE WV and NW NC
National Weather Service Blacksburg VA
151 PM EDT Mon Aug 10 2026

.DISCUSSION...
Unsettled weather will persist throughout this week with daily 
chances of showers and thunderstorms, especially during the 
afternoon and evening hours. The air mass will remain humid 
with relative humidity values staying elevated. Winds may gust 
a little later this afternoon from the northwest across the 
mountains. Shower and thunderstorm coverage will increase on 
Tuesday and Wednesday with gusty winds and heavy rainfall 
possible. Due to the abundant moisture and prolonged chances of 
rain, fire weather concerns will remain low.

VAZ019-110815-
Alleghany VA-
Including the cities of Clifton Forge and Covington
151 PM EDT Mon Aug 10 2026

                      Tonight      Tue          Tue Night    Wed          

Cloud Cover           Mcldy        Pcldy        Pcldy        Pcldy        
Precip Type           Showers      Tstms        Tstms        Tstms        
Chance Precip (%)     50           30           50           30           
Chance of Thunder (%) 0            30           50           30           
Min/Max Temp          67           87           66           86           
Max/Min RH %          91           54           96           58           
Wind 20ft/early(mph)  W  5         W  5         W  5 G18     W  6 G23     
Wind 20ft/late(mph)   W  5         W  6         W  5 G22     W  6 G17     
Precip Amount         0.02         0.01         0.14         0.02         
Precip Duration       2            2            2            1            
Precip Begin          6 PM         7 AM         Continuing   2 PM         
Precip End            6 AM         Continuing   4 AM         Continuing   
Mixing Hgt(ft-agl)                 4060                      4690         
Transport Wnd (mph)                NW 12                     W  8         
Vent Rate (mph-ft)                 48720                     37520        
Dispersion            Fair                      Fair                      
Max ADI Early         35 Fair      54 Gen Good  33 Fair      53 Gen Good  
Max ADI Late          10 Poor      51 Gen Good  7 Poor       78 Good      
Max LVORI Early       4            5            5            5            
Max LVORI Late        4            2            5            3            

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. West winds
5 to 10 mph. 
.THURSDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 61 percent. West
winds 5 to 10 mph. 
.THURSDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. West winds 5 to 10 mph.
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 65 percent.
West winds 5 to 10 mph. 
.FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. Northwest winds 5 to 10 mph. 
.SATURDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 64 percent.
Southeast winds around 5 mph. 
.SATURDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Southwest winds around
5 mph. 
.SUNDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 60 percent. West
winds 5 to 10 mph. 
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 60s. West winds 5 to 10 mph. 
.MONDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 61 percent. West
winds 5 to 10 mph.

.OUTLOOK 8 TO 14 DAYS...
Temperatures above normal.  Precipitation near normal.