449  
FNUS75 KMSO 181912  
FWSMSO  
 
SPOT FORECAST FOR MOOSE  
NATIONAL WEATHER SERVICE MISSOULA MT  
112 PM MDT FRI SEP 18 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 MDT ON SEPTEMBER 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
RAIN WILL CONTINUE ON SATURDAY WITH MEAN ADDITIONAL  
AMOUNTS DURING THE DAY AROUND 0.25 INCH, LOW END 0.10 INCH AND  
HIGH END 0.50 INCH. SHOWER ACTIVITY DECREASES ON SATURDAY  
AFTERNOON, FOLLOWED BY PARTIAL CLEARING ON SATURDAY NIGHT.  
 
MILD AND DRIER CONDITIONS SET IN FOR SUNDAY AND MONDAY WITH LIGHT,  
DIURNALLY DRIVEN WINDS.  
   
SATURDAY  
 
* SKY/WEATHER.........CLOUDY. RAIN SHOWERS IN THE MORNING, THEN  
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON.  
* CWR (> 0.10 INCH)...80 PERCENT.  
* CHANCE LIGHTNING....20 PERCENT.  
* MAX TEMPERATURE.....50-55.  
* MIN HUMIDITY........81-86 PERCENT.  
* WIND (20 FT)........NORTHEAST TO EAST 3-6 MPH. GUSTS TO 16 MPH  
AT TIMES.  
* MIXING HEIGHT.......500 FT AGL INCREASING TO 2500 FT AGL IN THE  
AFTERNOON.  
* MIXING WINDS........NORTHEAST 10 MPH.  
* PRECIP AMOUNT.......0.10-0.45 INCHES.  
   
SATURDAY NIGHT  
 
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG.  
* CWR (> 0.10 INCH)...10 PERCENT.  
* CHANCE LIGHTNING....UP TO 10 PERCENT.  
* MIN TEMPERATURE.....37-42.  
* MAX HUMIDITY........91-96 PERCENT.  
* WIND (20 FT)........VARIABLE 1-3 MPH.  
* MIXING HEIGHT.......500 FT AGL.  
* MIXING WINDS........EAST 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
SUNDAY  
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....61-66.  
* MIN HUMIDITY........40-45 PERCENT.  
* WIND (20 FT)........VARIABLE 3-6 MPH. OCCASIONAL GUSTS TO 12 MPH  
IN THE AFTERNOON.  
* MIXING HEIGHT.......2500 FT AGL INCREASING TO 4500 FT AGL IN  
THE AFTERNOON.  
* MIXING WINDS........WEST 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
 
 
FORECASTER...BOOTH  
REQUESTED BY...GREG PHILIPP  
TYPE OF REQUEST...WILDFIRE  
.TAG 2621611.8/MSO  
.DELDT 09/18/26  
.FORMATTERVERSION 2.0.0  
.EMAIL GREGORY.PHILIPP@USDA.GOV  
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