483  
FNUS75 KMSO 252144  
FWSMSO  
 
SPOT FORECAST FOR NORTH FORK LOST HORSE FIRE  
NATIONAL WEATHER SERVICE MISSOULA MT  
344 PM MDT SAT JUL 25 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1600 MDT ON JULY 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
PEAK HEATING AND WINDS ARE OCCURRING NOW, AND WILL  
LIKELY CONTINUE THROUGH ROUGHLY 1900 MDT. WINDS SHOULD DIMINISH  
THEREAFTER, THOUGH WEAKER WEST TO NORTHWEST WINDS WILL CONTINUE  
MOST OF THE NIGHT. ANTICIPATE ANOTHER NIGHT OF RELATIVELY POOR RH  
RECOVERIES. SUNDAY WILL BE SEVERAL DEGREES COOLER, WHICH WILL HELP  
TO KEEP RHS SLIGHTLY HIGHER, THOUGH STILL QUITE DRY. WINDS WILL BE  
SIGNIFICANTLY WEAKER.  
   
REST OF TODAY  
 
* SKY/WEATHER.........SUNNY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....91-96.  
* MIN HUMIDITY........8-12 PERCENT.  
* WIND (20 FT)........WEST 12-17 MPH WITH GUSTS TO AROUND 40 MPH.  
* MIXING HEIGHT.......10000 FT AGL.  
* MIXING WINDS........SOUTHWEST 25 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
TONIGHT  
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....59-64.  
* MAX HUMIDITY........40-45 PERCENT.  
* WIND (20 FT)........WEST TO NORTHWEST 5-14 MPH. GUSTS UP TO 35  
MPH IN THE EVENING.  
* MIXING HEIGHT.......9000 FT AGL DECREASING TO 500 FT AGL.  
* MIXING WINDS........WEST 10 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
SUNDAY  
 
* SKY/WEATHER.........SUNNY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....87-92.  
* MIN HUMIDITY........13-18 PERCENT.  
* WIND (20 FT)........VARIABLE 2-5 MPH BECOMING NORTHWEST 5-8 MPH  
WITH GUSTS TO AROUND 20 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......2500 FT AGL INCREASING TO 7500 FT AGL.  
* MIXING WINDS........WEST 10 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
 
 
FORECASTER...JENNK  
REQUESTED BY...MTMDC  
TYPE OF REQUEST...WILDFIRE  
.TAG 2618226.0/MSO  
.DELDT 07/25/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MTMDC@FIRENET.GOV  
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