Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Fire Weather Forecast Banner for Mercer County

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Fire Weather Planning Forecast for SW VA...SE WV and NW NC
National Weather Service Blacksburg VA
227 PM EDT Sun Aug 9 2026

.DISCUSSION...
Unsettled weather will continue into next 
week with scattered showers and thunderstorms each day, 
primarily during the afternoons and evenings. The air mass will
remain humid with relative humidity values staying elevated. 
Winds should remain rather light for much of the area except in 
stronger thunderstorms. Due to the abundant moisture and
prolonged chances of rain, fire weather concerns will remain low.

WVZ042-100815-
Mercer-
Including the cities of Bluefield and Flat Top
227 PM EDT Sun Aug 9 2026

                      Tonight      Mon          Mon Night    Tue          

Cloud Cover           Pcldy        Pcldy        Pcldy        Pcldy        
Precip Type           None         Tstms        Tstms        Tstms        
Chance Precip (%)     0            20           30           60           
Chance of Thunder (%) 0            20           20           50           
Min/Max Temp          64           85           66           83           
Max/Min RH %          100          57           100          66           
Wind 20ft/early(mph)  Lgt/Var      W  3         W  4         W  5         
Wind 20ft/late(mph)   Lgt/Var      W  5         W  4         W  6         
Precip Amount         0.00         0.02         0.04         0.33         
Precip Duration                    0            1            5            
Precip Begin                       2 PM         7 PM         Continuing   
Precip End                         4 PM         Continuing   Continuing   
Mixing Hgt(ft-agl)                 4950                      3710         
Transport Wnd (mph)                W 15                      W 23         
Vent Rate (mph-ft)                 74250                     85330        
Dispersion            Very Poor                 Fair                      
Max ADI Early         33 Fair      59 Gen Good  70 Good      61 Good      
Max ADI Late          1 Very Poor  82 Good      4 Very Poor  80 Good      
Max LVORI Early       7            10           6            9            
Max LVORI Late        9            3            9            3            

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy with showers likely and a chance
of thunderstorms. Lows in the mid 60s. West winds 5 to 10 mph. 
.WEDNESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 72 percent.
West winds 5 to 10 mph. 
.WEDNESDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the mid 60s. West winds 5 to
10 mph. 
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs around 80. Minimum RH 75 percent. West winds
5 to 10 mph. 
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. West winds around 5 mph. 
.FRIDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 80 percent.
West winds around 5 mph. 
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Northwest
winds around 5 mph. 
.SATURDAY...Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Highs in the upper 70s. Minimum RH
71 percent. Northwest winds around 5 mph. 
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southwest
winds around 5 mph. 
.SUNDAY...Partly sunny with a chance of showers and a slight
chance of thunderstorms. Highs around 80. Minimum RH 71 percent.
Southwest winds around 5 mph.

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

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