720  
FNUS75 KMSO 131913  
FWSMSO  
 
SPOT FORECAST FOR EAST FORK 1 & 2  
NATIONAL WEATHER SERVICE MISSOULA MT  
113 PM MDT FRI MAR 13 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 MDT ON MARCH 17.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..HIGH WIND WARNING IN EFFECT FROM NOON TO 9 PM MDT SATURDAY
 
 
   
DISCUSSION
 
TUESDAY THROUGH WEDNESDAY LOOKS TO BE A DRY PERIOD  
WITH STRONG SOUTHWEST WINDS. MIN RH IS EXPECTED INTO THE TEENS AND  
20S EACH AFTERNOON WITH ONLY MODEST RECOVERY ON TUESDAY NIGHT.  
OTHERWISE, PERIODIC HIGH AND MID LEVEL CLOUDS WILL PASS THROUGH.  
   
TUESDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* MAX TEMPERATURE.....59-64.  
* MIN HUMIDITY........23-28 PERCENT.  
* WIND (20 FT)........BREEZY. SOUTHWEST 15-25 MPH WITH GUSTS 40  
MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......2000 FT AGL INCREASING TO 6500 FT AGL IN THE  
AFTERNOON.  
* MIXING WINDS........SOUTHWEST 25 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
TUESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* MIN TEMPERATURE.....39-44.  
* MAX HUMIDITY........44-49 PERCENT.  
* WIND (20 FT)........SOUTHWEST 17-24 MPH WITH GUSTS TO AROUND 35  
MPH DECREASING TO AROUND 14 MPH OVERNIGHT.  
* MIXING HEIGHT.......4500 FT AGL DECREASING TO 500 FT AGL EARLY IN  
THE EVENING.  
* MIXING WINDS........SOUTHWEST 20 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* MAX TEMPERATURE.....64-69.  
* MIN HUMIDITY........18-23 PERCENT.  
* WIND (20 FT)........BREEZY. SOUTH AROUND 14 MPH SHIFTING TO THE  
SOUTHWEST 20-25 MPH IN THE AFTERNOON WITH GUSTS TO 30 MPH.  
* MIXING HEIGHT.......2500 FT AGL INCREASING TO 7000 FT AGL IN THE  
AFTERNOON.  
* MIXING WINDS........SOUTHWEST 20 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
 

 
FORECASTER...BOOTH  
REQUESTED BY...RUSTY BUTLER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2605678.0/MSO  
.DELDT 03/13/26  
.FORMATTERVERSION 2.0.0  
.EMAIL RBUTLER@BLM.GOV  
 
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