112  
FNUS75 KMSO 301019  
FWSMSO  
 
SPOT FORECAST FOR SAWMILL PETTY 931  
NATIONAL WEATHER SERVICE MISSOULA MT  
419 AM MDT THU OCT 30 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0500 MDT ON OCTOBER 30.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
HIGH PRESSURE WILL BE OVER THE BURN SITE THROUGH FRIDAY, WITH  
LIGHT AND VARIABLE WINDS PRESENT. WETTING RAIN CHANCES INCREASE TO  
60 PERCENT BY LATE SATURDAY AFTERNOON. WETTING RAIN CHANCES REMAIN  
AROUND 30 PERCENT SUNDAY. TOTAL WEEKEND RAIN RANGE 0.15 TO 0.30  
INCHES.  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....45-50.  
* MIN HUMIDITY........48-53 PERCENT.  
* WIND (20 FT)........VARIABLE 1-3 MPH.  
* MIXING HEIGHT.......3000 FT AGL.  
* MIXING WINDS........EAST 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....26-31.  
* MAX HUMIDITY........72-77 PERCENT.  
* WIND (20 FT)........VARIABLE 1-3 MPH.  
* MIXING HEIGHT.......1000 FT AGL.  
* MIXING WINDS........EAST 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
FRIDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....49-54.  
* MIN HUMIDITY........39-44 PERCENT.  
* WIND (20 FT)........VARIABLE 1-3 MPH.  
* MIXING HEIGHT.......2500 FT AGL.  
* MIXING WINDS........SOUTH 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
FORECAST DAYS 3 THROUGH 4
 
   
SATURDAY
 
 
MOSTLY CLOUDY WITH CHANCE OF RAIN. LOWS 35-40. HIGHS 57-62.  
VARIABLE WINDS UP TO 10 MPH. WETTING RAIN CHANCE 60 PERCENT AFTER  
1800 LT.   
SUNDAY
 
 
COOLER, RAIN. LOWS 39-44. HIGHS 45-50. VARIABLE WINDS UP TO  
10 MPH. WETTING RAIN CHANCE 30 PERCENT.  
 

 
FORECASTER...ZUMPFE  
REQUESTED BY...JULIAN WEARING  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2524696.0/MSO  
.DELDT 10/30/25  
.FORMATTERVERSION 2.0.0  
.EMAIL JULIAN.WEARING@USDA.GOV  
 
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