523  
FNUS75 KMSO 071528  
FWSMSO  
 
SPOT FORECAST FOR LOWER WEST FORK 61  
NATIONAL WEATHER SERVICE MISSOULA MT  
928 AM MDT TUE APR 7 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON APRIL 08.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..WIND ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING
 
 
   
DISCUSSION
 
WEDNESDAY WILL SEE COOLER TEMPERATURES, BUT STILL  
RELATIVELY DRY AS A DRIER AIRMASS WILL FILTER IN BEHIND A PASSING  
COLD FRONT THIS AFTERNOON (TUESDAY). WINDS ON WEDNESDAY WILL BE  
OVERALL MUCH LIGHTER, THOUGH SOME WESTERLY GUSTS ARE POSSIBLE IN  
THE AFTERNOON. THURSDAY WILL RUN A FEW DEGREES WARMER AND RHS WILL  
LIKELY TREND SLIGHTLY DRIER. WINDS WILL BE EVEN LIGHTER ON  
THURSDAY.  
   
WEDNESDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....60-65.  
* MIN HUMIDITY........18-23 PERCENT.  
* WIND (20 FT)........VARIABLE 2-4 MPH BECOMING WEST-NORTHWEST  
5-6 MPH WITH GUSTS TO AROUND 20 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......7000 FT AGL INCREASING TO 8500 FT AGL LATE IN  
THE AFTERNOON.  
* MIXING WINDS........WEST 15 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
WEDNESDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....33-38.  
* MAX HUMIDITY........60-65 PERCENT.  
* WIND (20 FT)........WEST-NORTHWEST 5-7 MPH WITH GUSTS TO AROUND  
20 MPH IN THE EVENING BECOMING VARIABLE 2-4 MPH.  
* MIXING HEIGHT.......6000 FT AGL DECREASING TO 1500 FT AGL EARLY  
IN THE EVENING.  
* MIXING WINDS........WEST 10 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
THURSDAY
 
 
* SKY/WEATHER.........SUNNY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....64-69.  
* MIN HUMIDITY........15-20 PERCENT.  
* WIND (20 FT)........VARIABLE 2-4 MPH BECOMING WEST 5-6 MPH WITH  
GUSTS TO 15 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......4000 FT AGL INCREASING TO 8500 FT AGL.  
* MIXING WINDS........WEST 10 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
 

 
FORECASTER...JENNK  
REQUESTED BY...SCOTT WOODIN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2609259.0/MSO  
.DELDT 04/07/26  
.FORMATTERVERSION 2.0.0  
.EMAIL DAVID.FOX@USDA.GOV,SCOTT.WOODIN@USDA.GOV  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MT Page
The Nexlab ID Page Main Text Page