837  
FNUS75 KMSO 072309  
FWSMSO  
 
SPOT FORECAST FOR NORTH FORK LOST HORSE  
NATIONAL WEATHER SERVICE MISSOULA MT  
509 PM MDT FRI AUG 7 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 MDT ON AUGUST 08.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT SATURDAY  
 
   
DISCUSSION  
ABNORMALLY HOT AND DRY CONDITIONS WILL PERSIST THIS  
WEEKEND. A RED FLAG WARNING WILL REMAIN IN EFFECT THROUGH SATURDAY  
EVENING FOR A COMBINATION OF HEAT, LOW RELATIVE HUMIDITY, GUSTY  
WEST OR NORTHWESTERLY WINDS, AND POOR OVERNIGHT RH RECOVERY. IN  
ADDITION TO CRITICAL FIRE WEATHER CONDITIONS, SKIES WILL REMAIN  
SMOKY FOR THE FORESEEABLE FUTURE. EXPECT VISIBILITY OF LESS THAN 5  
MILES WITH NO SIGNIFICANT IMPROVEMENT AT LEAST THROUGH THE  
WEEKEND.  
   
SATURDAY  
 
* SKY/WEATHER.........SUNNY. SMOKE.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....80-85.  
* MIN HUMIDITY........9-14 PERCENT.  
* WIND (20 FT)........WEST 7-16 MPH WITH GUSTS OF 20-25 MPH AFTER  
NOON.  
 
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 6000 FT AGL IN THE  
AFTERNOON.  
* MIXING WINDS........WEST 15 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
SATURDAY NIGHT  
 
* SKY/WEATHER.........PARTLY CLOUDY. SMOKE.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....47-52.  
* MAX HUMIDITY........24-29 PERCENT.  
* WIND (20 FT)........WEST 9-17 MPH.  
* MIXING HEIGHT.......4500 FT AGL DECREASING TO 500 FT AGL EARLY IN  
THE EVENING.  
* MIXING WINDS........WEST 10 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
SUNDAY  
 
* SKY/WEATHER.........MOSTLY SUNNY. SMOKE.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....77-82.  
* MIN HUMIDITY........12-17 PERCENT.  
* WIND (20 FT)........WEST 5-10 MPH WITH GUSTS TO 20 MPH AFTER  
NOON.  
 
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 9000 FT AGL.  
* MIXING WINDS........WEST 10 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
 
 
FORECASTER...MESSINA  
REQUESTED BY...DAVID HOOD  
TYPE OF REQUEST...WILDFIRE  
.TAG 2619111.1/MSO  
.DELDT 08/07/26  
.FORMATTERVERSION 2.0.0  
.EMAIL 2026.NORTHFORKLOSTHORSE.PLANS@FIRENET.GOV,DAVID_HOOD@FIRENET.GOV  
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