065  
FNUS75 KMSO 131103  
FWSMSO  
 
SPOT FORECAST FOR MOOSE  
NATIONAL WEATHER SERVICE MISSOULA MT  
503 AM MDT SUN SEP 13 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 MDT ON SEPTEMBER 13.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
COOLER AND MORE MOIST CONDITIONS ARE ANTICIPATED  
TODAY AS AN APPROACHING LOW PRESSURE SYSTEM PUSHES A COLD FRONT  
THROUGH THE FIRE AREA BY EARLY AFTERNOON. ANTICIPATED NORTHEAST TO  
EASTERLY WINDS THIS MORNING WILL TREND SOUTHWESTERLY THROUGH THE  
MORNING, THEN TURN WESTERLY BY AFTERNOON BEHIND THE FRONTAL  
PASSAGE. WINDS GUSTING 20 TO 30 MPH ARE ANTICIPATED ON RIDGE  
TOPS, ESPECIALLY WITH THE FRONT. SHOWERS AND ISOLATED  
THUNDERSTORMS WILL INCREASE THROUGH THE DAY. WHILE LIGHT  
PRECIPITATION IS LIKELY THROUGH MONDAY MORNING, WETTING RAINS ARE  
NOT. WINDS WILL STAY BREEZY TONIGHT THROUGH MONDAY, THOUGH MONDAY  
WILL TREND COOLER STILL.  
   
REST OF TODAY  
 
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN  
SHOWERS IN THE MORNING. 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.....54-59.  
* MIN HUMIDITY........40-45 PERCENT.  
* WIND (20 FT)........SOUTHWEST 5-7 MPH BECOMING WEST 8-12 MPH IN  
THE EARLY AFTERNOON. GUSTS UP TO 20 MPH IN THE MORNING  
INCREASING TO 30 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 6500 FT AGL.  
* MIXING WINDS........SOUTHWEST 15 MPH.  
* PRECIP AMOUNT.......0.00-0.03 INCHES.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.  
CHANCE OF SNOW SHOWERS OVERNIGHT.  
* CWR (> 0.10 INCH)...10 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....31-36.  
* MAX HUMIDITY........85-90 PERCENT.  
* WIND (20 FT)........WEST 5-8 MPH WITH GUSTS TO AROUND 30 MPH.  
* MIXING HEIGHT.......3000 FT AGL DECREASING TO 500 FT AGL EARLY IN  
THE EVENING.  
* MIXING WINDS........WEST 15 MPH.  
* PRECIP AMOUNT.......0.00-0.05 INCHES.  
   
MONDAY  
 
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE  
MORNING.  
* CWR (> 0.10 INCH)...10 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....46-51.  
* MIN HUMIDITY........60-65 PERCENT.  
* WIND (20 FT)........WEST 5-9 MPH WITH GUSTS TO AROUND 30 MPH.  
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 4500 FT AGL IN THE  
AFTERNOON.  
* MIXING WINDS........WEST 15 MPH.  
* PRECIP AMOUNT.......0.00-0.03 INCHES.  
 
 
FORECASTER...JENNK  
REQUESTED BY...GREG PHILIPP  
TYPE OF REQUEST...WILDFIRE  
.TAG 2621611.3/MSO  
.DELDT 09/13/26  
.FORMATTERVERSION 2.0.0  
.EMAIL GREGORY.PHILIPP@USDA.GOV  
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