Fire Weather Forecast - Mercer County, WV

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Fire Weather Planning Forecast for SW VA...SE WV and NW NC
National Weather Service Blacksburg VA
157 PM EDT Mon Aug 17 2026

.DISCUSSION...

...FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT FOR PARTS OF 
WV AND VA...

Periods of showers and thunderstorms are forecast through this 
evening. While not everyone will see wetting rain, an extremely 
humid airmass will continue to remain across the region. While 
drier air is expected to move into the region behind the cold 
front passage tomorrow morning, the minimum RH values during the 
afternoon hours Tuesday and Wednesday will still remain above 40
percent for almost the entire area. Additional chances for showers
and storms return Thursday and remain through the weekend.

WVZ042-180815-
Mercer-
Including the cities of Bluefield and Flat Top
157 PM EDT Mon Aug 17 2026

                      Tonight      Tue          Tue Night    Wed          

Cloud Cover           Mcldy        Pcldy        Pcldy        Pcldy        
Precip Type           Tstms        None         None         None         
Chance Precip (%)     80           0            0            0            
Chance of Thunder (%) 50           0            0            0            
Min/Max Temp          65           79           58           82           
Max/Min RH %          100          65           100          53           
Wind 20ft/early(mph)  W  3         NW  3        Lgt/Var      Lgt/Var      
Wind 20ft/late(mph)   Lgt/Var      NW  4        Lgt/Var      W  3         
Precip Amount         0.16         0.00         0.00         0.00         
Precip Duration       3                                                   
Precip Begin          6 PM                                                
Precip End            6 AM                                                
Mixing Hgt(ft-agl)                 3950                      5180         
Transport Wnd (mph)                W  3                      NW 10        
Vent Rate (mph-ft)                 11850                     51800        
Dispersion            Very Poor                 Very Poor                 
Max ADI Early         2 Very Poor  12 Poor      42 Gen Good  44 Gen Good  
Max ADI Late          2 Very Poor  39 Fair      4 Very Poor  62 Good      
Max LVORI Early       10           10           8            9            
Max LVORI Late        10           4            9            1            

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 60s. West winds
around 5 mph. 
.THURSDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 68 percent.
West winds around 5 mph. 
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. West winds
around 5 mph. 
.FRIDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 76 percent.
West winds around 5 mph. 
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. West winds
around 5 mph. 
.SATURDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 72 percent.
West winds around 5 mph. 
.SATURDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. West winds around 5 mph. 
.SUNDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the mid 70s. Minimum RH 66 percent. West
winds around 5 mph. 
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. West winds
around 5 mph. 
.MONDAY...Mostly sunny. Highs in the mid 70s. Minimum RH
59 percent. West winds around 5 mph.

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