826  
SXUS45 KMSO 211230  
RECGPI  
 
RECREATION FORECAST FOR FLATHEAD LAKE  
NATIONAL WEATHER SERVICE MISSOULA MT  
606 AM MDT WED OCT 21 2026  
 
NOTE: THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE OF  
THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE  
SIGNIFICANTLY LESS ON UPWIND SHORES.  
   
TODAY
 
SUNNY. HIGHS IN THE LOWER 60S. VARIABLE WINDS UP TO  
10 MPH. WAVES LESS THAN 1 FOOT.    
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S. VARIABLE WINDS UP  
TO 10 MPH. WAVES LESS THAN 1 FOOT.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 60S. VARIABLE WINDS UP TO  
10 MPH. WAVES LESS THAN 1 FOOT.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF RAIN IN THE EVENING,  
THEN RAIN AFTER MIDNIGHT. LOWS IN THE UPPER 40S. VARIABLE WINDS  
UP TO 10 MPH. CHANCE OF RAIN 80 PERCENT. WAVES LESS THAN 1 FOOT.    
FRIDAY
 
RAIN IN THE MORNING, THEN RAIN LIKELY IN THE AFTERNOON.  
HIGHS IN THE MID 50S. VARIABLE WINDS UP TO 10 MPH BECOMING WEST  
AROUND 15 MPH IN THE AFTERNOON. CHANCE OF RAIN 90 PERCENT. WAVES  
LESS THAN 1 FOOT.  
 
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