Fire Weather Forecast - Mercer County, WV

FNUS51 KRNK 191811
FWFRNK

Fire Weather Planning Forecast for SW VA...SE WV and NW NC
National Weather Service Blacksburg VA
211 PM EDT Tue May 19 2026

.DISCUSSION...

Hot and dry conditions continue until Wednesday afternoon, when the 
arrivial and passage of a cold front will trigger showers and some 
thunderstorms during the afternoon and evening hours. Relative 
humidity values will fall into the 20% to 30% range areawide today, 
and then 20% to 30% in the Piedmont, but 40% to 50% in parts of 
southeast WV and far southwest VA for Wednesday. After that, RH will 
remain high through the end of the week and into the weekend as 
moisture and precipitation chances linger. Forecast rainfall amounts 
through Friday rain from half an inch to an inch, which will be 
beneficial for the area, and may lead to some improvements in the 
ongoing dryness, and thus could reduce the overall fire weather 
threat across the area heading into the warmer months. 

&&

WVZ042-200815-
Mercer-
Including the cities of Bluefield and Flat Top
211 PM EDT Tue May 19 2026

                      Tonight      Wed          Wed Night    Thu          

Cloud Cover           Pcldy        Pcldy        Mcldy        Mcldy        
Precip Type           None         Tstms        Tstms        Tstms        
Chance Precip (%)     0            40           50           100          
Chance of Thunder (%) 0            40           50           50           
Min/Max Temp          64           85           62           70           
Max/Min RH %          77           42           100          83           
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var      
Wind 20ft/late(mph)   Lgt/Var      W  4         Lgt/Var      Lgt/Var      
Precip Amount         0.00         0.02         0.13         0.36         
Precip Duration                    1            2            10           
Precip Begin                       2 PM         Continuing   Continuing   
Precip End                         Continuing   Continuing   Continuing   
Mixing Hgt(ft-agl)                 6850                      2800         
Transport Wnd (mph)                W 10                      SE 10        
Vent Rate (mph-ft)                 68500                     28000        
Dispersion            Very Poor                 Very Poor                 
Max ADI Early         36 Fair      81 Good      20 Gen Poor  33 Fair      
Max ADI Late          2 Very Poor  85 Good      3 Very Poor  33 Fair      
Max LVORI Early       3            4            6            9            
Max LVORI Late        3            2            7            5            

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Showers. Lows in the mid 50s. East winds 10 to
15 mph. 
.FRIDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the mid 60s. Minimum RH 80 percent.
Southeast winds 5 to 10 mph. 
.FRIDAY NIGHT...Mostly cloudy with showers likely and a slight
chance of thunderstorms. Lows in the upper 50s. Southeast winds
10 to 15 mph. 
.SATURDAY...Showers and a chance of thunderstorms. Highs in the
mid 70s. Minimum RH 76 percent. South winds 5 to 10 mph. 
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds around 5 mph. 
.SUNDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 70 percent. South winds around 5 mph. 
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. South winds around 5 mph. 
.MONDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 71 percent. Southwest winds around 5 mph. 
.MONDAY NIGHT...Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Lows in the lower 60s. South
winds around 5 mph. 
.TUESDAY...Showers and a chance of thunderstorms. Highs in the
upper 70s. Minimum RH 67 percent. Southwest winds around 5 mph.

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