Fire Weather Forecast - Mercer County, WV

FNUS51 KRNK 040806
FWFRNK

Fire Weather Planning Forecast for SW VA...SE WV and NW NC
National Weather Service Blacksburg VA
406 AM EDT Sat Jul 4 2026

.DISCUSSION...

...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT TODAY FOR THE
 LOWER ELEVATIONS...

...EXTREME HEAT WARNING IN EFFECT FROM 11 AM to 8 PM EDT TODAY
FOR PARTS OF SOUTH CENTRAL VIRGINIA AND NORTH CENTRAL NORTH CAROLINA...

Heat risk increases to hazardous levels this holiday weekend. 
Additional advisories/warnings have encompass much of the
region east of the Blue Ridge for the holiday weekend.

The mid-level ridge currently above us will facilitate warming
temperatures with highs in the 80s to lower 90s in the mountains
and upper 90s to around 100 for the foothills and piedmont. 
The hot temperatures will combine with elevated dewpoints around
68 to 72 to produce peak heat indices of 95 to 100 in the
mountains and 105 to 115 in the Foothills and Piedmont.

Increasing chances for showers and thunderstorms beginning 
today and into next week may cause issues with lightning- 
started fires.

WVZ042-042030-
Mercer-
Including the cities of Bluefield and Flat Top
406 AM EDT Sat Jul 4 2026

                      Today        Tonight      Sun          

Cloud Cover           Mclear       Pcldy        Pcldy        
Precip Type           Tstms        Tstms        Tstms        
Chance Precip (%)     30           30           70           
Chance of Thunder (%) 30           30           50           
Max/Min Temp          92           67           90           
Min/Max RH %          44           95           52           
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      
Precip Amount         0.03         0.03         0.10         
Precip Duration       1            2            2            
Precip Begin          2 PM         Continuing   1 PM         
Precip End            Continuing   4 AM         Continuing   
Mixing Hgt(ft-agl)    6650                      5560         
Transport Wnd (mph)   SW  2                     SW  6        
Vent Rate (mph-ft)    13300                     33360        
Dispersion                         Very Poor                 
Max ADI Early         6 Very Poor  12 Poor      30 Fair      
Max ADI Late          20 Gen Poor  4 Very Poor  40 Fair      
Max LVORI Early       6            6            8            
Max LVORI Late        2            8            2            

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 60s. Southwest winds around
5 mph. 
.MONDAY...Showers and a chance of thunderstorms. Highs in the mid
80s. Minimum RH 67 percent. West winds around 5 mph. 
.MONDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. West winds around 5 mph. 
.TUESDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 70 percent.
West winds around 5 mph. 
.TUESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. West winds
around 5 mph. 
.WEDNESDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 64 percent.
West winds around 5 mph. 
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the mid 60s. Southwest
winds around 5 mph. 
.THURSDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 61 percent.
West winds around 5 mph. 
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. West winds around 5 mph. 
.FRIDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
West winds around 5 mph.

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