Jefferson National Forest Presuppresion Forecast

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New Format for the Area Forecast Discussion Coming January 12, 2026.

Experimental...Fire Weather Planning Forecast for VA Natl Forests
NATIONAL WEATHER SERVICE Blacksburg VA
600 PM EST Wed Jan 7 2026

.DISCUSSION... 

A weak cold front is pushing through the area this afternoon, though no 
rain is expected. Northwest winds of 10-15 mph with gusts of 20-30 mph 
will continue through sunset. Dewpoints are dropping, with MinRH values 
in the 20s/30s, with higher amounts in WV around 50%. High pressure keeps 
conditions dry for Thursday, with no chance of rain. Winds will remain 
light, with gusts of 10-15 mph briefly Thursday afternoon, as clouds do 
increase. MinRH values on Thursday will be around 35-45%. Temperatures 
will be mild, around 60 degrees for highs. Friday will be even warmer, 
with area-wide 60s to near 70 in the Piedmont, as winds turn southwest 
and increase to 10 mph, gusting to around 20 mph in the afternoon. MinRH 
values rise significantly as moisture moves in. Heavy rain is expected 
Friday night through Saturday area-wide, with an inch or more of rain 
possible. Sunday will see high pressure build back into the area, with 
quiet an dry weather into early next week, with temperatures cooling off
to around normal for this time of year. 

&&

VAZ007-009-010-012-015-016-080900-
JEFFERSON NATIONAL FOREST South Zone-
INCLUDING Mt Rogers and Wythe
600 PM EST Wed Jan 7 2026

                      Tonight      Thu          Thu Night    Fri          

Cloud Cover           Pcldy        Pcldy        Mcldy        Mcldy        
Precip Type           None         None         Showers      Showers      
Chance Precip (%)     0            0            0            60           
Chance of Thunder (%) 0            0            0            0            
Min/Max Temp          34           58           44           62           
Max/Min RH %          83           37           91           66           
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      SE  5 G18    S  6 G17     
Wind 20ft/late(mph)   Lgt/Var      S  5         S  6 G18     S  6 G17     
Precip Amount         0.00         0.00         0.00         0.08         
Precip Duration                                              5            
Precip Begin                                                 6 AM         
Precip End                                                   Continuing   
Mixing Hgt(ft-agl)                 2250                      2300         
Transport Wnd (mph)                S 14                      S 15         
Vent Rate (mph-ft)                 31500                     34500        
Dispersion            Very Poor                 Fair                      
Max ADI Early         4 Very Poor  9 Poor       9 Poor       24 Fair      
Max ADI Late          2 Very Poor  26 Fair      8 Poor       28 Fair      
Max LVORI Early       4            4            3            5            
Max LVORI Late        4            2            5            4            

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Showers. Lows in the lower 50s. Highs in the upper
50s. Minimum RH 80 percent. South winds 10 to 15 mph. 
.SUNDAY...Windy. Mostly cloudy. A chance of rain showers. Much
colder. Lows in the lower 30s. Highs in the mid 30s. Minimum RH
49 percent. West winds 20 to 30 mph. 
.MONDAY...Windy. Partly cloudy. Lows around 19. Highs in the mid
30s. Minimum RH 37 percent. West winds 20 to 30 mph. 
.TUESDAY...Mostly clear. Lows in the mid 20s. Highs in the lower
40s. Minimum RH 39 percent. Southwest winds 10 to 15 mph. 
.WEDNESDAY...Mostly cloudy. Lows in the upper 20s. Highs in the
mid 40s. Minimum RH 48 percent. Southwest winds 5 to 10 mph. 

$$

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

$$

Radar