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
309 AM EDT Mon Sep 21 2026

.DISCUSSION...

Unsettled weather is expected early this week with several
rounds of showers bringing some much needed rainfall.
Rainfall amounts may average around an inch or so for much
of the area through Wednesday. Cooler temperatures follow
for mid to late week.

WVZ042-212030-
Mercer-
Including the cities of Bluefield and Flat Top
309 AM EDT Mon Sep 21 2026

                      Today        Tonight      Tue          

Cloud Cover           Mcldy        Mcldy        Mcldy        
Precip Type           Tstms        Tstms        Tstms        
Chance Precip (%)     50           70           60           
Chance of Thunder (%) 50           50           50           
Max/Min Temp          82           62           75           
Min/Max RH %          63           100          84           
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      
Precip Amount         0.15         0.26         0.21         
Precip Duration       2            5            3            
Precip Begin          6 AM         Continuing   Continuing   
Precip End            Continuing   Continuing   Continuing   
Mixing Hgt(ft-agl)    4470                      2270         
Transport Wnd (mph)   W 12                      SE  9        
Vent Rate (mph-ft)    53640                     20430        
Dispersion                         Very Poor                 
Max ADI Early         20 Gen Poor  7 Poor       11 Poor      
Max ADI Late          44 Gen Good  4 Very Poor  23 Fair      
Max LVORI Early       8            7            9            
Max LVORI Late        3            9            5            

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Rain and a chance of thunderstorms. Lows in the
upper 50s. East winds 10 to 15 mph. 
.WEDNESDAY...Rain. Highs in the lower 60s. Minimum RH 99 percent.
East winds 5 to 10 mph. 
.WEDNESDAY NIGHT...Mostly cloudy with rain likely. Lows in the
lower 50s. East winds 10 to 15 mph. 
.THURSDAY...Mostly cloudy with a chance of rain. Highs in the
lower 60s. Minimum RH 92 percent. East winds 5 to 10 mph. 
.THURSDAY NIGHT...Mostly cloudy. Lows in the upper 40s. East
winds around 5 mph. 
.FRIDAY...Mostly sunny. Highs in the mid 60s. Minimum RH
70 percent. North winds around 5 mph. 
.FRIDAY NIGHT...Mostly clear. Lows in the mid 40s. Northwest
winds around 5 mph. 
.SATURDAY...Mostly sunny. Highs in the mid 60s. Minimum RH
61 percent. Northwest winds around 5 mph. 
.SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. Northwest
winds around 5 mph. 
.SUNDAY...Mostly sunny. Highs in the upper 60s. Minimum RH
61 percent. Northwest winds around 5 mph.

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

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