846  
SXUS45 KMSO 211230  
RECGPI  
 
RECREATION FORECAST FOR FLATHEAD LAKE  
NATIONAL WEATHER SERVICE MISSOULA MT  
605 AM MDT SAT MAR 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
 
BREEZY. CLOUDY WITH RAIN EARLY IN THE MORNING, THEN  
MOSTLY CLOUDY WITH A CHANCE OF RAIN IN THE LATE MORNING AND EARLY  
AFTERNOON. MOSTLY SUNNY LATE IN THE AFTERNOON. HIGHS IN THE LOWER  
50S. SOUTH WINDS AROUND 15 MPH SHIFTING TO THE SOUTHWEST 15 TO  
25 MPH WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON. CHANCE OF  
RAIN 90 PERCENT. WAVES AROUND 1 FOOT...LOCALLY UP TO 2 FEET.    
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. SOUTHWEST WINDS  
AROUND 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING. WAVES AROUND  
1 FOOT...LOCALLY UP TO 2 FEET.    
SUNDAY
 
SUNNY. HIGHS AROUND 50 . SOUTH WINDS AROUND 15 MPH.  
WAVES AROUND 1 FOOT...LOCALLY UP TO 2 FEET.    
SUNDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS IN THE MID 30S. VARIABLE WINDS UP TO 10 MPH. WAVES  
AROUND 1 FOOT...LOCALLY UP TO 2 FEET.    
MONDAY
 
PARTLY SUNNY. HIGHS IN THE MID 50S. VARIABLE WINDS UP  
TO 10 MPH. WAVES LESS THAN 1 FOOT.  
 
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