788  
FNUS75 KMSO 011154  
FWSMSO  
 
SPOT FORECAST FOR COLD JIM 8 BROADCAST  
NATIONAL WEATHER SERVICE MISSOULA MT  
554 AM MDT THU OCT 1 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0810 MDT ON OCTOBER 01.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
A WARMING AND DRYING TREND BEGINS TODAY AND LASTS  
THROUGH EARLY NEXT WEEK. WINDS WILL BE LIGHT AND DIURNALLY DRIVEN  
TODAY WITH A VERY SLIGHT UPTICK IN AFTERNOON NORTHWEST WINDS ON  
FRIDAY. MIXING HEIGHTS AND TRANSPORT WINDS WILL BE BETTER ON  
FRIDAY COMPARED WITH TODAY. THERE IS A SLIGHT CHANCE OF SPRINKLES  
TODAY WITH NO SIGNIFICANT PRECIPITATION EXPECTED FOR AT LEAST THE  
NEXT 7 DAYS.  
   
TODAY  
 
* SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG EARLY IN THE  
MORNING. SLIGHT CHANCE OF RAIN SHOWERS.  
* CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....63-68.  
* MIN HUMIDITY........38-43 PERCENT.  
* WIND (20 FT)........VARIABLE 3-6 MPH.  
* MIXING HEIGHT.......500 FT AGL INCREASING TO 2500 FT AGL IN THE  
AFTERNOON.  
* MIXING WINDS........SOUTHWEST 5 MPH.  
* PRECIP AMOUNT.......0.00-0.03 INCHES.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....35-40.  
* MAX HUMIDITY........95-100 PERCENT.  
* WIND (20 FT)........VARIABLE 1-3 MPH.  
* MIXING HEIGHT.......500 FT AGL.  
* MIXING WINDS........SOUTH 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
FRIDAY  
 
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG IN THE MORNING.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....71-76.  
* MIN HUMIDITY........31-36 PERCENT.  
* WIND (20 FT)........VARIABLE 1-3 MPH BECOMING NORTHWEST AROUND 5  
MPH IN THE AFTERNOON. GUSTS TO 15 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......1500 FT AGL INCREASING TO 4500 FT AGL IN THE  
AFTERNOON.  
* MIXING WINDS........NORTHWEST TO WEST 10 MPH IN THE AFTERNOON.  
* PRECIP AMOUNT.......0.00 INCHES.  
 
 
FORECASTER...BOOTH  
REQUESTED BY...SAM CUMMINGS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2622711.2/MSO  
.DELDT 10/01/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JASON.KEISTER@USDA.GOV,SAMUEL.CUMMINGS@USDA.GOV,ANDRE.DULAC@USDA.GOV,BRETT.PARGMAN@USDA.GOV,TODD.HANNAN@USDA.GOV  
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