994  
FNUS75 KMSO 251757  
FWSMSO  
 
SPOT FORECAST FOR EAST FORK RX  
NATIONAL WEATHER SERVICE MISSOULA MT  
1157 AM MDT SAT APR 25 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON APRIL 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
SOUTHWESTERLY WINDS ARE EXPECTED THIS AFTERNOON,  
WITH PERIODIC GUSTS OF 12-18 MPH AS WINDS MIX DOWN FROM ALOFT.  
CUMULUS CLOUDS WILL CONTINUE TO DEVELOP ACROSS MOUNTAIN RIDGES,  
WITH CLOUDS PERIODICALLY MOVING OVER THE RX SITE. A NORTHEASTERLY  
GRADIENT WILL DEVELOP TONIGHT INTO SUNDAY, WITH WINDS TRENDING  
HIGHER ON SUNDAY AFTERNOON. THIS WILL BRING A RISING TREND IN RH,  
CLOUD COVER, AND INCREASED SHOWER CHANCES.  
   
REST OF TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....41-46.  
* MIN HUMIDITY........33-38 PERCENT.  
* WIND (20 FT)........SOUTH-SOUTHWEST 3-6 MPH WITH GUSTS OF 12-18  
MPH THIS AFTERNOON.  
* MIXING HEIGHT.......7000 FT AGL.  
* MIXING WINDS........SOUTHWEST 10 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....22-27.  
* MAX HUMIDITY........71-76 PERCENT.  
* WIND (20 FT)........NORTHEAST 5-8 MPH.  
* MIXING HEIGHT.......4500 FT AGL DECREASING TO 500 FT AGL EARLY IN  
THE EVENING.  
* MIXING WINDS........EAST 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
SUNDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE  
AFTERNOON.  
* CWR (> 0.10 INCH)...10 PERCENT.  
* CHANCE LIGHTNING....UP TO 10 PERCENT.  
* MAX TEMPERATURE.....43-48.  
* MIN HUMIDITY........40-45 PERCENT.  
* WIND (20 FT)........NORTHEAST 5-8 INCREASING TO 10-14 MPH WITH  
GUSTS OF 20-25 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 7000 FT AGL IN THE  
AFTERNOON.  
* MIXING WINDS........NORTHEAST 15 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
 

 
FORECASTER...LUKINBEAL  
REQUESTED BY...MATT PFEIFER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2611723.0/MSO  
.DELDT 04/25/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MPFEIFER@BLM.GOV  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MT Page
The Nexlab ID Page Main Text Page