669  
FNUS75 KMSO 191145  
FWSMSO  
 
SPOT FORECAST FOR WEST FORK HAND PILES NORTH-SPFL  
NATIONAL WEATHER SERVICE MISSOULA MT  
445 AM MST WED NOV 19 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 MST ON NOVEMBER 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
CLOUDS, SHOWERS, WEAK WINDS WILL BODE FOR WEAK  
DISPERSION TODAY. IT WILL BE MILDER WITH PARTIAL SUNSHINE ON  
THURSDAY, BUT STILL WEAK WINDS. THERE MAY BE SLIGHTLY BETTER  
VERTICAL DILUTION ON THURSDAY.  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG IN THE MORNING.  
CHANCE OF RAIN SHOWERS.  
* CWR (> 0.10 INCH)...10 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....46-49.  
* MIN HUMIDITY........55-60 PERCENT.  
* WIND (20 FT)........VARIABLE 1-3 MPH.  
* MIXING HEIGHT.......2800 FT AGL.  
* MIXING WINDS........NORTHEAST 5 MPH.  
* PRECIP AMOUNT.......0.01 INCHES.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....28-32.  
* MAX HUMIDITY........95-100 PERCENT.  
* WIND (20 FT)........VARIABLE 1-3 MPH.  
* MIXING HEIGHT.......LESS THAN 100 FT AGL.  
* MIXING WINDS........SOUTHWEST 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
THURSDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG IN THE MORNING.  
* CWR (> 0.10 INCH)...10 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....50-54.  
* MIN HUMIDITY........47-52 PERCENT.  
* WIND (20 FT)........VARIABLE 1-3 MPH.  
* MIXING HEIGHT.......3800 FT AGL.  
* MIXING WINDS........SOUTH 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
 

 
FORECASTER...NOBLE  
REQUESTED BY...PETER BREIGENZER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2525966.2/MSO  
.DELDT 11/19/25  
.FORMATTERVERSION 2.0.0  
.EMAIL PETER.BREIGENZER@USDA.GOV,SCOTT.WOODIN@USDA.GOV  
 
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