446  
FNUS75 KMSO 041118  
FWSMSO  
 
SPOT FORECAST FOR COLD JIM UNIT 8  
NATIONAL WEATHER SERVICE MISSOULA MT  
518 AM MDT SUN OCT 4 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 MDT ON OCTOBER 04.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
WARM AND DRY DURING THIS PERIOD WITH MONDAY SLIGHTLY  
DRIER. TERRAIN WINDS ON SUNDAY DEVELOP A WESTERLY COMPONENT WITH  
GUSTS UP TO 18 MPH.  
   
REST OF TODAY
 
 
* SKY/WEATHER.........SUNNY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....78-83.  
* MIN HUMIDITY........20-25 PERCENT.  
* WIND (20 FT)........VARIABLE 3-6 MPH.  
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 4000 FT AGL LATE IN  
THE AFTERNOON.  
* MIXING WINDS........SOUTHWEST 10 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....36-41.  
* MAX HUMIDITY........65-70 PERCENT.  
* WIND (20 FT)........VARIABLE 1-3 MPH.  
* MIXING HEIGHT.......500 FT AGL.  
* MIXING WINDS........SOUTHWEST 10 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
MONDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....75-80.  
* MIN HUMIDITY........21-26 PERCENT.  
* WIND (20 FT)........VARIABLE 2-4 MPH BECOMING SOUTHWEST 5-10  
MPH WITH GUSTS TO 18 IN THE AFTERNOON.  
* MIXING HEIGHT.......1000 FT AGL INCREASING TO 5000 FT AGL LATE IN  
THE MORNING.  
* MIXING WINDS........SOUTHWEST 15 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
 

 
FORECASTER...BEC  
REQUESTED BY...CHRIS WARWICK  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2622967.0/MSO  
.DELDT 10/04/26  
.FORMATTERVERSION 2.0.0  
.EMAIL TODD.HANNAN@USDA.GOV,CHRISTOPHER.WARWICK@USDA.GOV,BRETT.PARGMAN@USDA.GOV,ANDRE.DULAC@USDA.GOV  
 
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