938  
FNUS75 KMSO 211244  
FWSMSO  
 
SPOT FORECAST FOR CORRAL CREEK  
NATIONAL WEATHER SERVICE MISSOULA MT  
644 AM MDT THU AUG 21 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 MDT ON AUGUST 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
HIGH PRESSURE WILL BUILD OVER THE NORTHERN ROCKIES  
THROUGH THE NEXT FEW DAYS. EXPECT WARMING AND DRYING CONDITIONS TO  
SET IN. WINDS BECOME NORTHERLY TONIGHT, THEN EASTERLY BY FRIDAY.  
EAST WINDS WILL BE GUSTING TO ABOUT 20 MPH ON FRIDAY MORNING.  
   
REST OF TODAY  
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....78-83.  
* MIN HUMIDITY........16-21 PERCENT.  
* WIND (20 FT)........VARIABLE 2-4 MPH BECOMING NORTHWEST 5-10  
MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 8000 FT AGL.  
* MIXING WINDS........WEST 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....52-57.  
* MAX HUMIDITY........39-44 PERCENT.  
* WIND (20 FT)........NORTH 5-10 MPH IN THE EVENING BECOMING  
VARIABLE 2-4 MPH.  
* MIXING HEIGHT.......5500 FT AGL DECREASING TO 500 FT AGL EARLY IN  
THE EVENING.  
* MIXING WINDS........NORTH 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
FRIDAY  
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....79-84.  
* MIN HUMIDITY........18-23 PERCENT.  
* WIND (20 FT)........SOUTHEAST 10-15 MPH WITH GUSTS TO 20 MPH  
BECOMING EAST 6-12 MPH AFTER NOON.  
 
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 5500 FT AGL IN THE  
AFTERNOON.  
* MIXING WINDS........EAST 10 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
 
 
FORECASTER...MESSINA  
REQUESTED BY...GREG ANDERSON  
TYPE OF REQUEST...WILDFIRE  
.TAG 2520366.0/MSO  
.DELDT 08/21/25  
.FORMATTERVERSION 2.0.0  
.EMAIL GREGORY.J.ANDERSON@USDA.GOV  
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