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
209 PM 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. Fire concerns will be low this week.

WVZ042-220830-
Mercer-
Including the cities of Bluefield and Flat Top
209 PM EDT Mon Sep 21 2026

                      Tonight      Tue          Tue Night    Wed          

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy        
Precip Type           Tstms        Tstms        Tstms        Rain         
Chance Precip (%)     70           60           80           80           
Chance of Thunder (%) 50           50           50           0            
Min/Max Temp          62           75           57           63           
Max/Min RH %          100          84           100          97           
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      E  3 G17     E  6 G21     
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      E  5 G20     E  6 G19     
Precip Amount         0.26         0.21         0.20         0.26         
Precip Duration       5            3            11           11           
Precip Begin          6 PM         Continuing   Continuing   Continuing   
Precip End            Continuing   Continuing   Continuing   Continuing   
Mixing Hgt(ft-agl)                 2270                      1950         
Transport Wnd (mph)                SE  9                     E 15         
Vent Rate (mph-ft)                 20430                     29250        
Dispersion            Very Poor                 Fair                      
Max ADI Early         7 Poor       11 Poor      17 Gen Poor  23 Fair      
Max ADI Late          4 Very Poor  23 Fair      11 Poor      29 Fair      
Max LVORI Early       7            9            9            7            
Max LVORI Late        9            5            8            5            

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.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
upper 50s. Minimum RH 98 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. 
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. North winds
around 5 mph. 
.MONDAY...Mostly sunny. Highs in the lower 70s. Minimum RH
62 percent. North winds around 5 mph.

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

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