Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Fire Weather Forecast Banner for Botetourt County

Print This Forecast (Printer-Friendly)

FNUS51 KRNK 041849
FWFRNK

Fire Weather Planning Forecast for SW VA...SE WV and NW NC
National Weather Service Blacksburg VA
249 PM EDT Tue Aug 4 2026

.DISCUSSION...
Unsettled weather will continue through the remainder of this 
week with scattered showers and thunderstorms each day, 
primarily during the afternoon. The air mass will remain humid
with relative humidity values staying elevated. Winds should
remain rather light except in stronger thunderstorms. Due to 
the abundant moisture and prolonged chances of rain, fire weather
concerns will remain low.

VAZ023-050815-
Botetourt-
Including the city of Fincastle
249 PM EDT Tue Aug 4 2026

                      Tonight      Wed          Wed Night    Thu          

Cloud Cover           Mcldy        Pcldy        Pcldy        Pcldy        
Precip Type           Tstms        Tstms        Tstms        Tstms        
Chance Precip (%)     80           60           50           70           
Chance of Thunder (%) 50           50           50           50           
Min/Max Temp          67           84           67           87           
Max/Min RH %          99           70           99           61           
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var      
Wind 20ft/late(mph)   Lgt/Var      S  3         Lgt/Var      SW  4        
Precip Amount         0.11         0.07         0.01         0.05         
Precip Duration       5            3            0            3            
Precip Begin          6 PM         Continuing   Continuing   2 PM         
Precip End            Continuing   Continuing   8 PM         Continuing   
Mixing Hgt(ft-agl)                 3370                      5180         
Transport Wnd (mph)                S  9                      SW  6        
Vent Rate (mph-ft)                 30330                     31080        
Dispersion            Very Poor                 Very Poor                 
Max ADI Early         28 Fair      7 Poor       32 Fair      15 Gen Poor  
Max ADI Late          2 Very Poor  37 Fair      2 Very Poor  33 Fair      
Max LVORI Early       7            9            7            9            
Max LVORI Late        8            4            8            3            

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. Southwest winds around
5 mph. 
.FRIDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent.
Southwest winds around 5 mph. 
.FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. Southwest winds around
5 mph. 
.SATURDAY...Mostly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 65 percent. West
winds around 5 mph. 
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows in the upper 60s. West winds around
5 mph. 
.SUNDAY...Mostly sunny. Highs in the mid 80s. Minimum RH
58 percent. West winds around 5 mph. 
.SUNDAY NIGHT...Mostly clear. Lows in the upper 60s. West winds
around 5 mph. 
.MONDAY...Mostly sunny. Highs in the upper 80s. Minimum RH
54 percent. West winds around 5 mph. 
.MONDAY NIGHT...Partly cloudy. Lows around 70. West winds 5 to
10 mph. 
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Minimum RH 55 percent.
West winds 5 to 10 mph.

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

Radar