729  
FNUS75 KMSO 171855  
FWSMSO  
 
SPOT FORECAST FOR LOST CREEK 155_559  
NATIONAL WEATHER SERVICE MISSOULA MT  
1255 PM MDT SAT OCT 17 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON OCTOBER 17.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
GUSTY WEST TO SOUTHWEST WINDS WILL CONTINUE THROUGH  
THE REST OF THE DAY, WITH PERIODIC GUSTS RANGING BETWEEN 30 TO 40  
MPH. IN THE MOST EXPOSED AND ELEVATED AREAS, GUSTS COULD REACH 45  
MPH. THESE WINDS WILL BEGIN TO DIMINISH TO AROUND 20 MPH AT  
SUNSET. BREEZY WEST WINDS UP TO 20 MPH WILL PERSIST THROUGH THE  
OVERNIGHT HOURS INTO EARLY SUNDAY MORNING. LIGHT AND VARIABLE  
WINDS WILL START THE DAY SUNDAY WITH EAST-SOUTHEAST WINDS AROUND 7  
MPH DEVELOPING IN THE AFTERNOON.  
 
THE EXTENDED WEATHER FORECAST WILL REMAIN WARM AND DRY, WITH  
GENERALLY LIGHT TERRAIN DRIVEN WINDS UNDER 10 MPH EACH DAY THIS  
COMING WEEK. THE NEXT CHANCE FOR PRECIPITATION WILL ARRIVE BY  
THURSDAY OR FRIDAY, ALONG WITH A COOLER TEMPERATURES.  
   
REST OF TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....64-66.  
* MIN HUMIDITY........24-29 PERCENT.  
* WIND (20 FT)........SOUTHWEST AROUND 15 MPH WITH GUSTS 30-40  
MPH.  
* MIXING HEIGHT.......4000 FT AGL.  
* MIXING WINDS........WEST 30 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MIN TEMPERATURE.....35-40.  
* MAX HUMIDITY........74-79 PERCENT.  
* WIND (20 FT)........WEST 5-10 MPH. GUSTS UP TO 30 MPH UNTIL  
SUNSET, THEN GUSTS AROUND 20 MPH.  
* MIXING HEIGHT.......1000 FT AGL DECREASING TO 500 FT AGL IN THE  
LATE EVENING AND OVERNIGHT.  
* MIXING WINDS........WEST 10 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
SUNDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* CWR (> 0.10 INCH)...0 PERCENT.  
* CHANCE LIGHTNING....0 PERCENT.  
* MAX TEMPERATURE.....51-56.  
* MIN HUMIDITY........47-52 PERCENT.  
* WIND (20 FT)........VARIABLE 1-3 MPH, BECOMING EAST-SOUTHEAST  
5-7 MPH IN THE AFTERNOON.  
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 4000 FT AGL LATE IN  
THE AFTERNOON.  
* MIXING WINDS........SOUTHWEST 5 MPH.  
* PRECIP AMOUNT.......0.00 INCHES.  
   
FORECAST DAYS 3 THROUGH 7
 
   
MONDAY
 
 
PARTLY CLOUDY. LOWS 38-43. HIGHS 57-62. WINDS GENERALLY LESS THAN  
5 MPH.    
TUESDAY
 
 
PARTLY CLOUDY. LOWS 39-44. HIGHS 54-59. WINDS GENERALLY LESS THAN  
5 MPH.    
WEDNESDAY
 
 
MOSTLY CLEAR. LOWS 36-41. HIGHS 57-62. WINDS GENERALLY LESS THAN  
5 MPH.    
THURSDAY
 
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 40-45. HIGHS 56-61.    
FRIDAY
 
 
COLDER. MOSTLY CLOUDY. RAIN LIKELY. LOWS 38-43. HIGHS 41-46.  
 

 
FORECASTER...ROBINSON  
REQUESTED BY...DAN CAMPBELL  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2623732.3/MSO  
.DELDT 10/17/26  
.FORMATTERVERSION 2.0.0  
.EMAIL DANIEL.CAMPBELL@USDA.GOV  
 
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