013  
FNUS75 KMSO 172138  
FWSMSO  
 
SPOT FORECAST FOR FLYING D RX  
NATIONAL WEATHER SERVICE MISSOULA MT  
338 PM MDT TUE MAR 17 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0000 MDT ON MARCH 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
THE NORTHERN ROCKIES WILL REMAIN UNDER THE NORTHERN  
EDGE OF A BROAD RIDGE OF HIGH PRESSURE GOING INTO THE WEEKEND.  
UNSEASONABLY WARM, DRY WEATHER, ALONG WITH STRONG SOUTHWESTERLY OR  
WESTERLY WINDS, WILL ACCOMPANY THE RIDGE. IF THIS WEEK'S WEATHER  
WERE TO OCCUR IN SUMMERTIME WITH RECEPTIVE FUELS, THESE CONDITIONS  
WOULD WARRANT A RED FLAG WARNING. FOR BOTH THURSDAY AND FRIDAY,  
EXPECT MINIMUM RELATIVE HUMIDITY IN THE TEENS, WITH SOUTHWESTERLY  
WINDS GUSTING 40 MPH WITH ABOUT A 10% CHANCE OF EXCEEDING 50 MPH.  
 
   
THURSDAY EARLY AM
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* MIN TEMPERATURE.....47-52.  
* MAX HUMIDITY........31-36 PERCENT.  
* WIND (20 FT)........SOUTHWEST 14-15 MPH.  
 
* MIXING HEIGHT.......500 FT AGL.  
* MIXING WINDS........SOUTHWEST 20 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
THURSDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* MAX TEMPERATURE.....67-72.  
* MIN HUMIDITY........19-24 PERCENT.  
* WIND (20 FT)........SOUTHWEST 14-23 MPH. GUSTS UP TO 40 MPH IN  
THE AFTERNOON.  
* MIXING HEIGHT.......2000 FT AGL INCREASING TO 7000 FT AGL.  
* MIXING WINDS........SOUTHWEST 30 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
THURSDAY NIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* MIN TEMPERATURE.....49-54.  
* MAX HUMIDITY........34-39 PERCENT.  
* WIND (20 FT)........SOUTHWEST 15-20 MPH. GUSTS UP TO 35 MPH IN  
THE EVENING.  
* MIXING HEIGHT.......4000 FT AGL DECREASING TO LESS THAN 100 FT  
AGL EARLY IN THE EVENING.  
* MIXING WINDS........SOUTHWEST 20 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
FRIDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* MAX TEMPERATURE.....70-75.  
* MIN HUMIDITY........19-24 PERCENT.  
* WIND (20 FT)........SOUTHWEST 15-24 MPH. GUSTS UP TO 40 MPH IN  
THE AFTERNOON.  
* MIXING HEIGHT.......2500 FT AGL INCREASING TO 9500 FT AGL.  
* MIXING WINDS........SOUTHWEST 25 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
 

 
FORECASTER...MESSINA  
REQUESTED BY...E. LEINONEN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2606170.0/MSO  
.DELDT 03/17/26  
.FORMATTERVERSION 2.0.0  
.EMAIL ERIC.LEINONEN@RETRANCHES.COM  
 
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