609  
FNUS75 KMSO 230006  
FWSMSO  
 
SPOT FORECAST FOR DEER FIRE  
NATIONAL WEATHER SERVICE MISSOULA MT  
606 PM MDT TUE JUL 22 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1900 MDT ON JULY 22.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
A LIGHT SHOWER IS POSSIBLE THIS EVENING WITH LITTLE  
TO NO MEASURABLE PRECIPITATION. WINDS OVER THE NEXT 2 DAYS WILL  
SWING FROM NORTHWEST THROUGH SOUTHWEST AT TIMES, REACHING MAXIMUM  
GUSTS OF AROUND 20 MPH TOMORROW AFTERNOON. A SLOW WARMING AND  
DRYING TREND BEGINS TOMORROW.  
   
REST OF TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN  
THE EVENING.  
* CWR (> 0.10 INCH)...10 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....46-51.  
* MAX HUMIDITY........74-79 PERCENT.  
* WIND (20 FT)........NORTHWEST 6-10 MPH BECOMING VARIABLE AROUND  
5 MPH OVERNIGHT.  
* MIXING HEIGHT.......1000 FT AGL DECREASING TO LESS THAN 100 FT  
AGL IN THE LATE EVENING AND OVERNIGHT.  
* MIXING WINDS........WEST 5 MPH.  
* PRECIP AMOUNT.......0.00-0.05 INCHES.  
   
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.  
 

 
FORECASTER...BEC  
REQUESTED BY...SEAN RIVERA  
TYPE OF REQUEST...WILDFIRE  
.TAG 2518256.6/MSO  
.DELDT 07/22/25  
.FORMATTERVERSION 2.0.0  
.EMAIL STRYKER.CLAR@USDA.GOV,SEAN.RIVERA@USDA.GOV,THEODEN.M.JOHNSON@USDA.GOV,MTMDC@FIRENET.GOV,ANDREW.BIDWELL@USDA.GOV  
 
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