Jefferson National Forest Presuppresion Forecast

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Experimental...Fire Weather Planning Forecast for VA Natl Forests
NATIONAL WEATHER SERVICE Blacksburg VA
1031 PM EDT Sun Sep 13 2026

.DISCUSSION...

Drier weather expected through at least Wednesday with
lower humidity. Min RH values each afternoon fall into
the upper 30 to lower 40 percent range east of the mountains, and
mid 40 to low 50 percent range west of the Blue Ridge mountains. 
An increasing chance of rain, along with more humid conditions 
will return for late week and into the weekend; however, rain
chances look to remain low at this time, with no significant upper
level feature forecast to bring widespread rain at this time.

VAZ007-010>014-018-022-023-WVZ044-140800-
JEFFERSON NATIONAL FOREST Eastern Divide Zone-
INCLUDING Blacksburg and New Castle
1031 PM EDT Sun Sep 13 2026

                      Tonight      Mon          Mon Night    Tue          

Cloud Cover           Mclear       Mclear       Mclear       Mclear       
Precip Type           None         None         None         None         
Chance Precip (%)     0            0            0            0            
Chance of Thunder (%) 0            0            0            0            
Min/Max Temp          61           84           53           82           
Max/Min RH %          100          41           88           48           
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var      
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var      
Precip Amount         0.00         0.00         0.00         0.00         
Precip Duration                                                           
Precip Begin                                                              
Precip End                                                                
Mixing Hgt(ft-agl)                 5450                      4540         
Transport Wnd (mph)                N 12                      S  3         
Vent Rate (mph-ft)                 65400                     13620        
Dispersion            Poor                      Very Poor                 
Max ADI Early         58 Gen Good  63 Good      33 Fair      18 Gen Poor  
Max ADI Late          5 Very Poor  74 Good      2 Very Poor  20 Gen Poor  
Max LVORI Early       6            7            4            5            
Max LVORI Late        7            2            5            2            

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s. Minimum RH 49 percent. East winds 5 to 10 mph. 
.THURSDAY...Partly cloudy. A chance of showers. Lows around 60.
Highs in the mid 80s. Minimum RH 49 percent. North winds around
5 mph. 
.FRIDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs in the mid 80s. Minimum RH 56 percent. North winds
around 5 mph. 
.SATURDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs around 80. Minimum RH 63 percent. South winds around
5 mph. 
.SUNDAY...Partly cloudy. A chance of showers. Lows in the lower
60s. Highs around 80. Minimum RH 63 percent. West winds around
5 mph. 

$$

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

$$

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