877  
FNUS75 KMSO 172017  
FWSMSO  
 
SPOT FORECAST FOR MOOSE MOUNTAIN  
NATIONAL WEATHER SERVICE MISSOULA MT  
217 PM MDT THU SEP 17 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON SEPTEMBER 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
SCATTERED SHOWERS AND THUNDERSTORMS DURING THE  
AFTERNOON ON FRIDAY CAPABLE OF HEAVY RAINFALL AND SMALL HAIL. THE  
STORM MOVES EAST OF THE REGION FOR SATURDAY WITH LINGERING  
SHOWERS DECREASING. DRYING FOR SUNDAY INTO EARLY NEXT WEEK.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* CWR (> 0.10 INCH)...50 PERCENT.  
* CHANCE LIGHTNING....60 PERCENT.  
* MAX TEMPERATURE.....65-70.  
* MIN HUMIDITY........55-60 PERCENT.  
* WIND (20 FT)........VARIABLE/EAST 2-4 MPH IN THE MORNING  
BECOMING VARIABLE/SOUTHWEST 3-7 MPH WITH GUSTS TO 10 MPH IN THE  
AFTERNOON.  
* MIXING HEIGHT.......NEAR 500 FT AGL IN THE MORNING INCREASING  
TO 3500 FT AGL LATE IN THE AFTERNOON.  
* MIXING WINDS........VARIABLE/SOUTHEAST 5 MPH.  
* PRECIP AMOUNT.......0.02-0.18 INCHES.  
   
FRIDAY NIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS.  
* CWR (> 0.10 INCH)...60 PERCENT.  
* CHANCE LIGHTNING....30 PERCENT.  
* MIN TEMPERATURE.....46-51.  
* MAX HUMIDITY........83-88 PERCENT.  
* WIND (20 FT)........VARIABLE/DOWNSLOPE 1-3 MPH.  
* MIXING HEIGHT.......DECREASING TO 500 FT AGL.  
* MIXING WINDS........EAST 5 MPH.  
* PRECIP AMOUNT.......0.02-0.21 INCHES.  
   
SATURDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
* CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.  
* CHANCE LIGHTNING....20 PERCENT.  
* MAX TEMPERATURE.....65-70.  
* MIN HUMIDITY........58-63 PERCENT.  
* WIND (20 FT)........VARIABLE/EAST 2-5 MPH WITH GUSTS TO 10 MPH.  
* MIXING HEIGHT.......INCREASING TO 3000 FT AGL.  
* MIXING WINDS........NORTHEAST 5 MPH.  
* PRECIP AMOUNT.......0.00-0.02 INCHES.  
 

 
FORECASTER...PARKER  
REQUESTED BY...CHRIS STETSON  
TYPE OF REQUEST...WILDFIRE  
.TAG 2618978.46/MSO  
.DELDT 09/17/26  
.FORMATTERVERSION 2.0.0  
.EMAIL RUTH_KOHLER@FIRENET.GOV,LAILA_LIENESCH@FIRENET.GOV,JACOB.SOHR@USDA.GOV,VICTORIA_PAYNE@FIRENET.GOV,CHRIS_STETSON@FIRENET.GOV  
 
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