797  
FNUS75 KMSO 211312  
FWSMSO  
 
SPOT FORECAST FOR MIRE  
NATIONAL WEATHER SERVICE MISSOULA MT  
712 AM MDT THU AUG 21 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0800 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 NORTHEASTERLY BY  
FRIDAY.  
 
   
REST OF TODAY  
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....73-78.  
* MIN HUMIDITY........19-24 PERCENT.  
* WIND (20 FT)........VARIABLE 1-3 MPH BECOMING NORTH 5-10 MPH IN  
THE AFTERNOON.  
* MIXING HEIGHT.......2000 FT AGL INCREASING TO 6500 FT AGL LATE IN  
THE MORNING.  
* 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.....44-49.  
* MAX HUMIDITY........45-50 PERCENT.  
* WIND (20 FT)........NORTH 4-8 MPH IN THE EVENING BECOMING  
VARIABLE 2-4 MPH.  
* MIXING HEIGHT.......4000 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.....78-83.  
* MIN HUMIDITY........17-22 PERCENT.  
* WIND (20 FT)........NORTHEAST 5-10 MPH.  
* MIXING HEIGHT.......1500 FT AGL INCREASING TO 6500 FT AGL.  
* MIXING WINDS........EAST 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
 
 
FORECASTER...MESSINA  
REQUESTED BY...EARL ROBERTSON  
TYPE OF REQUEST...WILDFIRE  
.TAG 2519847.8/MSO  
.DELDT 08/21/25  
.FORMATTERVERSION 2.0.0  
.EMAIL IDGVC@FIRENET.GOV  
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