607  
FNUS75 KMSO 230038  
FWSMSO  
 
SPOT FORECAST FOR DEER FIRE  
NATIONAL WEATHER SERVICE MISSOULA MT  
638 PM MDT TUE JUL 22 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 MDT ON JULY 23.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
WEDNESDAY BEGINS A SLOW WARMING AND DRYING TREND,  
THAT SAID A BRIEF SHOWER WILL BE POSSIBLE WEDNESDAY AFTERNOON.  
WINDS EACH DAY WILL GENERALLY BE WESTERLY WITH GUSTS EACH DAY UP  
TO 20 MPH.  
   
WEDNESDAY  
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....UP TO 10 PERCENT.  
* MAX TEMPERATURE.....64-69.  
* MIN HUMIDITY........28-33 PERCENT.  
* WIND (20 FT)........WEST 5-9 MPH WITH GUSTS TO 20 MPH.  
* MIXING HEIGHT.......1500 FT AGL INCREASING TO 6500 FT AGL.  
* MIXING WINDS........WEST 10 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
WEDNESDAY NIGHT  
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....51-56.  
* MAX HUMIDITY........47-52 PERCENT.  
* WIND (20 FT)........NORTHWEST 5-8 MPH SHIFTING TO THE SOUTHWEST  
AROUND 6 MPH OVERNIGHT.  
* MIXING HEIGHT.......4500 FT AGL DECREASING TO LESS THAN 100 FT  
AGL EARLY IN THE EVENING.  
* MIXING WINDS........WEST 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
THURSDAY  
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....70-75.  
* MIN HUMIDITY........22-27 PERCENT.  
* WIND (20 FT)........SOUTH 6-7 MPH SHIFTING TO THE WEST 8-10 MPH  
WITH GUSTS TO 20 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......1500 FT AGL INCREASING TO 9000 FT AGL.  
* MIXING WINDS........SOUTHWEST 15 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
 
 
FORECASTER...BEC  
REQUESTED BY...SEAN RIVERA  
TYPE OF REQUEST...WILDFIRE  
.TAG 2518256.6/MSO  
.DELDT 07/22/25  
.FORMATTERVERSION 2.0.0  
.EMAIL BRITTANEY.ALLSTAD@USDA.GOV,STRYKER.CLARK@USDA.GOV,SEAN.RIVERA@USDA.GOV,THEODEN.M.JOHNSON@USDA.GOV,MTMDC@FIRENET.GOV,ANDREW.BIDWELL@USDA.GOV  
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