Heavy Rainfall and Severe Thunderstorms in the Midwest and Ohio Valley Tuesday

Multiple rounds of severe thunderstorms appear likely Tuesday across the Midwest and Ohio Valley, with severe wind gusts in excess of 75 mph as the primary threat. Heavy to excessive rainfall may lead to considerable flash and urban flooding impacts Tuesday across portions of the Ohio Valley. A Moderate Risk (level 3 of 4) of excessive rainfall has been issued. Read More >

Fire Weather Forecast Banner for Mercer County

Print This Forecast (Printer-Friendly)

FNUS51 KRNK 101751
FWFRNK

Fire Weather Planning Forecast for SW VA...SE WV and NW NC
National Weather Service Blacksburg VA
151 PM EDT Mon Aug 10 2026

.DISCUSSION...
Unsettled weather will persist throughout this week with daily 
chances of showers and thunderstorms, especially during the 
afternoon and evening hours. The air mass will remain humid 
with relative humidity values staying elevated. Winds may gust 
a little later this afternoon from the northwest across the 
mountains. Shower and thunderstorm coverage will increase on 
Tuesday and Wednesday with gusty winds and heavy rainfall 
possible. Due to the abundant moisture and prolonged chances of 
rain, fire weather concerns will remain low.

WVZ042-110815-
Mercer-
Including the cities of Bluefield and Flat Top
151 PM EDT Mon Aug 10 2026

                      Tonight      Tue          Tue Night    Wed          

Cloud Cover           Mcldy        Pcldy        Pcldy        Mcldy        
Precip Type           Tstms        Tstms        Tstms        Tstms        
Chance Precip (%)     60           40           60           50           
Chance of Thunder (%) 50           40           50           50           
Min/Max Temp          67           83           66           82           
Max/Min RH %          93           64           100          70           
Wind 20ft/early(mph)  W  5 G19     W  6         W  5         W  6 G17     
Wind 20ft/late(mph)   W  5         W  7         W  4         W  7 G17     
Precip Amount         0.04         0.11         0.19         0.11         
Precip Duration       2            1            3            2            
Precip Begin          6 PM         Continuing   6 PM         Continuing   
Precip End            Continuing   5 PM         Continuing   Continuing   
Mixing Hgt(ft-agl)                 3540                      4080         
Transport Wnd (mph)                W 21                      NW 20        
Vent Rate (mph-ft)                 74340                     81600        
Dispersion            Fair                      Fair                      
Max ADI Early         52 Gen Good  35 Fair      40 Fair      40 Fair      
Max ADI Late          14 Gen Poor  70 Good      9 Poor       71 Good      
Max LVORI Early       4            6            5            8            
Max LVORI Late        5            3            6            4            

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. West winds around 5 mph. 
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 71 percent.
West winds around 5 mph. 
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. West winds around 5 mph. 
.FRIDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 75 percent.
West winds around 5 mph. 
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. West winds
around 5 mph. 
.SATURDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 70 percent.
West winds around 5 mph. 
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Southwest winds around
5 mph. 
.SUNDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 63 percent. West
winds around 5 mph. 
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the upper 60s. West winds
5 to 10 mph. 
.MONDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 69 percent.
West winds 5 to 10 mph.

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

Radar