137  
FNUS75 KMSO 291303  
FWSMSO  
 
SPOT FORECAST FOR H.T. 5.8  
NATIONAL WEATHER SERVICE MISSOULA MT  
703 AM MDT WED OCT 29 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 MDT ON OCTOBER 29.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
A COLD FRONT WILL PASS THROUGH AROUND MIDDAY WITH A  
WIND SHIFT FROM SOUTHERLY TO WESTERLY. A FEW SHOWERS MAY OCCUR  
BUT WITH LIMITED AMOUNTS. THE MIN RH FOR THE DAY IS LIKELY THIS  
MORNING WITH SOME MOISTENING THIS AFTERNOON.  
 
WINDS DIMINISH THIS EVENING AND REMAIN LIGHT ON THURSDAY WITH  
MOSTLY SUNNY SKIES THURSDAY. THE BEST VENTILATION IS TODAY,  
DIMINISHING ON THURSDAY.  
   
REST OF TODAY
 
 
* SKY/WEATHER.........PARTLY TO MOSTLY CLOUDY. SLIGHT CHANCE OF  
RAIN IN THE MORNING.  
* CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....46-51.  
* MIN HUMIDITY........35-40 PERCENT.  
* WIND (20 FT)........SOUTHEAST TO SOUTH 8-10 MPH WITH GUSTS TO 20  
MPH SHIFTING TO THE NORTHWEST 7-8 MPH IN THE AFTERNOON WITH  
GUSTS TO 20 MPH.  
* MIXING HEIGHT.......1500 FT AGL INCREASING TO 4500 FT AGL IN  
THE AFTERNOON.  
* MIXING WINDS........WEST 15 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
TONIGHT
 
 
* SKY/WEATHER.........BECOMING MOSTLY CLEAR.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....26-31.  
* MAX HUMIDITY........71-76 PERCENT.  
* WIND (20 FT)........WEST 5-6 MPH SHIFTING TO THE SOUTH AROUND 5  
MPH OVERNIGHT.  
* MIXING HEIGHT.......1000 FT AGL.  
* MIXING WINDS........SOUTHWEST 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
THURSDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....47-52.  
* MIN HUMIDITY........30-35 PERCENT.  
* WIND (20 FT)........VARIABLE 1-3 MPH.  
* MIXING HEIGHT.......2000 FT AGL.  
* MIXING WINDS........SOUTHWEST 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
 

 
FORECASTER...BOOTH  
REQUESTED BY...KYLE COLE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2524616.1/MSO  
.DELDT 10/29/25  
.FORMATTERVERSION 2.0.0  
.EMAIL KYLE.COLE@USDA.GOV  
 
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