325  
FNUS75 KMSO 211132  
FWSMSO  
 
SPOT FORECAST FOR ELK CREEK FIRE  
NATIONAL WEATHER SERVICE MISSOULA MT  
532 AM MDT THU AUG 21 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON AUGUST 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
SEASONAL CONDITIONS ANTICIPATED TODAY WITH A  
NORTHERLY COMPONENT TO THE WINDS THIS AFTERNOON. A FRONT WILL PUSH  
THROUGH THE AREA FROM THE NORTHEAST LATE TONIGHT CAUSING SLIGHTLY  
COOLER TEMPERATURES FOR FRIDAY BUT GUSTY NORTHEASTERLY WINDS.  
   
TODAY  
 
* SKY/WEATHER.........PARTLY CLOUDY. HAZE.  
* MAX TEMPERATURE.....82-87.  
* MIN HUMIDITY........24-29 PERCENT.  
* WIND (20 FT)........VARIABLE AROUND 5 MPH SHIFTING TO THE NORTH  
5-10 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 9000 FT AGL.  
* MIXING WINDS........NORTHWEST 5 MPH.  
   
TONIGHT  
 
* SKY/WEATHER.........PARTLY CLOUDY. HAZE IN THE EVENING.  
* MIN TEMPERATURE.....50-55.  
* MAX HUMIDITY........68-73 PERCENT.  
* WIND (20 FT)........NORTH 5-10 MPH BECOMING EAST 3-8 MPH AFTER  
MIDNIGHT.  
* MIXING HEIGHT.......5500 FT AGL DECREASING TO 1000 FT AGL EARLY  
IN THE EVENING.  
* MIXING WINDS........EAST 10 MPH.  
   
FRIDAY  
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE.....79-84.  
* MIN HUMIDITY........32-37 PERCENT.  
* WIND (20 FT)........NORTHEAST 5-10 MPH. GUSTS TO 25 MPH IN THE  
AFTERNOON.  
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 6000 FT AGL LATE IN  
THE MORNING.  
* MIXING WINDS........EAST 10 MPH.  
 
 
FORECASTER...SMITH  
REQUESTED BY...JASON WHEELER  
TYPE OF REQUEST...WILDFIRE  
.TAG 2520118.4/MSO  
.DELDT 08/21/25  
.FORMATTERVERSION 2.0.0  
.EMAIL JASON@READYGALLATIN.COM  
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