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
335 AM EDT Tue Aug 18 2026

.DISCUSSION...

A cold front will pass across the lower Mid-Atlantic today, 
resulting in seasonal temperatures for today and Wednesday. 
Widely scattered showers and a few thunderstorms will develop 
this afternoon and evening, with highest coverage expected to 
occur to the east of Highway 29. Otherwise, morning clouds will 
give way to a mixture of clouds and sunshine during the after-
noon, with minimum relative humidity holding above 40 percent. 
Winds today will shift increasingly from the northwest, with 
gusts during the afternoon increasing into the 10 mph to 15 mph 
range. Increased coverage of wetting rainfall will return on 
Thursday through Saturday as another front drifts slowly 
across the lower Mid-Atlantic.

WVZ042-182030-
Mercer-
Including the cities of Bluefield and Flat Top
335 AM EDT Tue Aug 18 2026

                      Today        Tonight      Wed          

Cloud Cover           Pcldy        Mclear       Mclear       
Precip Type           Showers      None         None         
Chance Precip (%)     20           0            0            
Chance of Thunder (%) 0            0            0            
Max/Min Temp          78           60           81           
Min/Max RH %          64           100          52           
Wind 20ft/early(mph)  NW  4        NW  3        Lgt/Var      
Wind 20ft/late(mph)   NW  5        Lgt/Var      NW  4        
Precip Amount         0.00         0.00         0.00         
Precip Duration       0                                      
Precip Begin          6 AM                                   
Precip End            3 PM                                   
Mixing Hgt(ft-agl)    4010                      5800         
Transport Wnd (mph)   NW 12                     W  8         
Vent Rate (mph-ft)    48120                     46400        
Dispersion                         Very Poor                 
Max ADI Early         33 Fair      47 Gen Good  29 Fair      
Max ADI Late          54 Gen Good  4 Very Poor  51 Gen Good  
Max LVORI Early       8            6            10           
Max LVORI Late        3            10           2            

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 a chance of showers and a slight
chance of thunderstorms. Highs in the lower 80s. Minimum RH
68 percent. Southwest winds around 5 mph. 
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. West winds around 5 mph. 
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs around 80. Minimum RH 72 percent. West winds
around 5 mph. 
.FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Northwest winds around 5 mph. 
.SATURDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the upper 70s. Minimum RH 70 percent.
West winds around 5 mph. 
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the lower 60s. West winds around
5 mph. 
.SUNDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the mid 70s. Minimum RH 64 percent. West
winds 5 to 10 mph. 
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. West winds
around 5 mph. 
.MONDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
57 percent. West winds around 5 mph.

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