Jefferson National Forest Presuppresion Forecast

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Experimental...Fire Weather Planning Forecast for VA Natl Forests
NATIONAL WEATHER SERVICE Blacksburg VA
900 PM EDT Sun Jun 21 2026

.DISCUSSION...
Dry weather is expected through tonight. Scattered showers 
and thunderstorms are forecasted for Monday, some of which may 
produce damaging wind gusts and localized flash flooding. 
Total rainfall could be in the 0.25-0.75 inch range with 
locally higher possible. This will be followed by widely 
scattered afternoon & evening storms later this week.

VAZ007-010>014-018-022-023-WVZ044-220800-
JEFFERSON NATIONAL FOREST Eastern Divide Zone-
INCLUDING Blacksburg and New Castle
900 PM EDT Sun Jun 21 2026

                      Tonight      Mon          Mon Night    Tue          

Cloud Cover           Pcldy        Pcldy        Pcldy        Pcldy        
Precip Type           None         Tstms        Tstms        Showers      
Chance Precip (%)     0            80           70           20           
Chance of Thunder (%) 0            70           70           0            
Min/Max Temp          61           87           59           80           
Max/Min RH %          82           54           100          54           
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      W  5 G17     NW  6 G20    
Wind 20ft/late(mph)   Lgt/Var      SW  7 G19    Lgt/Var      NW  6 G17    
Precip Amount         0.00         0.14         0.21         0.01         
Precip Duration                    4            5            1            
Precip Begin                       10 AM        Continuing   7 AM         
Precip End                         Continuing   5 AM         6 PM         
Mixing Hgt(ft-agl)                 5420                      4520         
Transport Wnd (mph)                SW 21                     N 14         
Vent Rate (mph-ft)                 113820                    63280        
Dispersion            Very Poor                 Fair                      
Max ADI Early         42 Gen Good  79 Good      40 Fair      51 Gen Good  
Max ADI Late          3 Very Poor  87 Good      12 Poor      74 Good      
Max LVORI Early       3            4            6            5            
Max LVORI Late        4            3            6            3            

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows in the mid 50s. Highs in the
lower 80s. Minimum RH 38 percent. West winds 10 to 15 mph. 
.THURSDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the upper 50s. Highs in the lower 80s. Minimum RH
54 percent. South winds around 5 mph. 
.FRIDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the lower 80s. Minimum RH
56 percent. West winds around 5 mph. 
.SATURDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the lower 80s. Minimum RH
57 percent. West winds around 5 mph. 
.SUNDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the mid 60s. Highs in the mid 80s. Minimum RH 50 percent.
West winds around 5 mph. 

$$

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

$$

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