Jefferson National Forest Presuppresion Forecast

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Experimental...Fire Weather Planning Forecast for VA Natl Forests
NATIONAL WEATHER SERVICE Blacksburg VA
800 PM EDT Mon Sep 21 2026

.DISCUSSION...

Unsettled weather is expected early this week with several
rounds of showers bringing some much needed rainfall.
Rainfall amounts may average around an inch or so for much
of the area through Wednesday. Cooler temperatures follow
for mid to late week. Fire concerns will be low this week.

VAZ019-020-023-024-034-035-220800-
JEFFERSON NATIONAL FOREST Central Zone-
INCLUDING Warm Springs, James River, Glenwood, and Pedlar
800 PM EDT Mon Sep 21 2026

                      Tonight      Tue          Tue Night    Wed          

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy        
Precip Type           Tstms        Tstms        Rain         Rain         
Chance Precip (%)     80           80           90           80           
Chance of Thunder (%) 50           20           0            0            
Min/Max Temp          60           69           51           60           
Max/Min RH %          100          92           98           92           
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      NE  7 G23    NE  8 G26    
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      NE  8 G26    NE  5 G18    
Precip Amount         0.60         0.55         0.58         0.46         
Precip Duration       3            8            9            10           
Precip Begin          6 PM         Continuing   Continuing   Continuing   
Precip End            Continuing   Continuing   Continuing   Continuing   
Mixing Hgt(ft-agl)                 1470                      1900         
Transport Wnd (mph)                E  8                      NE 14        
Vent Rate (mph-ft)                 11760                     26600        
Dispersion            Very Poor                 Good                      
Max ADI Early         11 Poor      8 Poor       19 Gen Poor  21 Fair      
Max ADI Late          4 Very Poor  19 Gen Poor  13 Gen Poor  25 Fair      
Max LVORI Early       8            9            7            5            
Max LVORI Late        8            7            6            5            

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY...Breezy. Mostly cloudy with rain likely. Lows in the
lower 50s. Highs in the upper 50s. Minimum RH 86 percent.
Northeast winds 20 to 25 mph. 
.FRIDAY...Partly cloudy. Lows in the upper 40s. Highs in the
upper 60s. Minimum RH 52 percent. North winds 5 to 10 mph. 
.SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the upper
60s. Minimum RH 48 percent. Northwest winds 10 to 15 mph. 
.SUNDAY...Mostly clear. Lows in the mid 40s. Highs around 70.
Minimum RH 50 percent. Northwest winds 5 to 10 mph. 
.MONDAY...Partly cloudy. Lows in the upper 40s. Highs in the
lower 70s. Minimum RH 55 percent. North winds 5 to 10 mph. 

$$

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

$$

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