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
215 PM EDT Fri Aug 21 2026

.DISCUSSION...

Additional widely scattered showers and thunderstorms will 
develop across the lower Mid-Atlantic this afternoon and evening, 
resulting in potentially another round of localized wetting 
rainfall. Minimum RH holding at 50 percent or above areawide, with
most areas holding well above 50 percent for most of the day.
Given this wet pattern, there are currently no fire weather
concerns at this time. 

A drier airmass arrives on Sunday with min RH values falling
below 50 percent. Breezy northwest winds through Monday.

WVZ042-220815-
Mercer-
Including the cities of Bluefield and Flat Top
215 PM EDT Fri Aug 21 2026

                      Tonight      Sat          Sat Night    Sun          

Cloud Cover           Pcldy        Pcldy        Pcldy        Pcldy        
Precip Type           Tstms        None         Tstms        None         
Chance Precip (%)     50           0            40           0            
Chance of Thunder (%) 20           0            40           0            
Min/Max Temp          61           80           59           75           
Max/Min RH %          100          66           100          55           
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      W  3         W  5         
Wind 20ft/late(mph)   Lgt/Var      W  3         W  3         NW  6        
Precip Amount         0.16         0.00         0.05         0.00         
Precip Duration       1                         1                         
Precip Begin          6 PM                      6 PM                      
Precip End            11 PM                     2 AM                      
Mixing Hgt(ft-agl)                 4610                      6090         
Transport Wnd (mph)                W  7                      W 15         
Vent Rate (mph-ft)                 32270                     91350        
Dispersion            Very Poor                 Poor                      
Max ADI Early         15 Gen Poor  17 Gen Poor  32 Fair      52 Gen Good  
Max ADI Late          4 Very Poor  43 Gen Good  8 Poor       109 Very Good
Max LVORI Early       8            10           9            8            
Max LVORI Late        9            3            9            3            

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds
around 5 mph. 
.MONDAY...Sunny. Highs in the mid 70s. Minimum RH 49 percent.
West winds around 5 mph. 
.MONDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest
winds around 5 mph. 
.TUESDAY...Mostly sunny. Highs in the upper 70s. Minimum RH
49 percent. West winds around 5 mph. 
.TUESDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds around 5 mph. 
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs around 80. Minimum RH 58 percent. South
winds around 5 mph. 
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds around 5 mph. 
.THURSDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Minimum RH 70 percent.
Southwest winds around 5 mph. 
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 60s. Southwest winds around 5 mph. 
.FRIDAY...Mostly sunny with a chance of showers and a slight
chance of thunderstorms. Highs around 80. Minimum RH 66 percent.
West winds around 5 mph.

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