440  
FNUS75 KMSO 131122  
FWSMSO  
 
SPOT FORECAST FOR MOOSE FIRE  
NATIONAL WEATHER SERVICE MISSOULA MT  
522 AM MDT THU AUG 13 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON AUGUST 13.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
SHOWERS AND THUNDERSTORMS WILL BE IN THE AREA OF THE  
FIRE THIS MORNING THROUGH 0900, THAT WILL BRING A 20 PERCENT  
PROBABILITY FOR A WETTING RAIN. THIS AFTERNOON AND EVENING ANOTHER  
ROUND OF ACTIVITY WILL BRING FREQUENT LIGHTNING, GUSTY ERRATIC  
WINDS AND LOCALIZED HEAVY RAINFALL. THIS NEXT ROUND WILL BRING A  
60 PERCENT PROBABILITY FOR A WETTING RAIN THROUGH MIDNIGHT  
TONIGHT.  
   
TODAY  
 
* SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF RAIN IN THE MORNING.  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
* CWR (> 0.10 INCH)...20 PERCENT.  
* CHANCE LIGHTNING....40 PERCENT.  
* MAX TEMPERATURE.....66-71.  
* MIN HUMIDITY........45-50 PERCENT.  
* WIND (20 FT)........SOUTH 5-6 MPH IN THE MORNING BECOMING WEST-  
NORTHWEST 5-10 MPH WITH GUSTS AROUND 20 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......2500 FT AGL INCREASING TO 7000 FT AGL.  
* MIXING WINDS........SOUTHWEST 10 MPH.  
* PRECIP AMOUNT.......0.06 INCHES.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS AND  
THUNDERSTORMS LIKELY IN THE EVENING AND OVERNIGHT.  
* CWR (> 0.10 INCH)...30 PERCENT.  
* CHANCE LIGHTNING....30 PERCENT.  
* MIN TEMPERATURE.....45-50.  
* MAX HUMIDITY........89-94 PERCENT.  
* WIND (20 FT)........WEST-NORTHWEST 5-10 MPH WITH GUSTS AROUND 20  
MPH IN THE EVENING, BECOMING NORTHEAST 5-10 MPH OVERNIGHT  
* MIXING HEIGHT.......500 FT AGL.  
* MIXING WINDS........SOUTHEAST 5 MPH.  
* PRECIP AMOUNT.......0.08 INCHES.  
   
FRIDAY  
 
* SKY/WEATHER.........MOSTLY CLOUDY. AND PATCHY FOG IN THE MORNING.  
RAIN LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING,  
THEN RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
* CWR (> 0.10 INCH)...80 PERCENT.  
* CHANCE LIGHTNING....50 PERCENT.  
* MAX TEMPERATURE.....59-64.  
* MIN HUMIDITY........71-76 PERCENT.  
* WIND (20 FT)........VARIABLE 1-3 MPH.  
* MIXING HEIGHT.......2500 FT AGL INCREASING TO 4000 FT AGL IN THE  
AFTERNOON.  
* MIXING WINDS........SOUTHWEST 10 MPH.  
* PRECIP AMOUNT.......0.23 INCHES.  
 
 
FORECASTER...ROBINSON  
REQUESTED BY...JACK RINCK  
TYPE OF REQUEST...WILDFIRE  
.TAG 2619412.2/MSO  
.DELDT 08/13/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JACK_RINCK@FIRENET.GOV,JULIA.GOAR@MT.GOV,2026_MTBDF_MOOSE@FIRENET.GOV,RON_BRUNELL@FIRENET.GOV  
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