986  
FPUS65 KTFX 212138  
AFPTFX  
 
CENTRAL AND SOUTHWEST MONTANA AREA FORECAST  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
337 PM MDT THU MAY 21 2026  
 
MTZ301>314-316>318-221200-  
CENTRAL MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
337 PM MDT THU MAY 21 2026  
 
   
TONIGHT...PARTLY CLOUDY. LOWS 35 TO 40  
25 TO 35 IN THE  
MOUNTAINS.    
FRIDAY...PARTLY CLOUDY. HIGHS 60 TO 70  
50 TO 60 IN THE  
MOUNTAINS.    
FRIDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS 40 TO 45...35 TO  
40 IN THE MOUNTAINS.    
SATURDAY  
MOSTLY CLEAR. HIGHS 70 TO 80.    
SUNDAY  
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 75 TO 85.    
MEMORIAL DAY  
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 45 TO  
50. HIGHS 75 TO 85.    
TUESDAY  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 45 TO 55. HIGHS 70 TO 80.  
 
 
 
MTZ315-319>330-221200-  
SOUTHWEST MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
337 PM MDT THU MAY 21 2026  
 
   
TONIGHT...PARTLY CLOUDY. LOWS 30 TO 35  
25 TO 30 IN THE  
MOUNTAINS.    
FRIDAY...PARTLY CLOUDY. HIGHS 60 TO 65  
50 TO 60 IN THE  
MOUNTAINS.    
FRIDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS 30 TO 40.    
SATURDAY  
PARTLY CLOUDY. HIGHS 65 TO 75.    
SUNDAY  
PARTLY CLOUDY. LOWS 40 TO 45. HIGHS 65 TO 75.    
MEMORIAL DAY  
PARTLY CLOUDY. LOWS 40 TO 45. HIGHS 70 TO 80.    
TUESDAY  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 40 TO 50. HIGHS 60 TO 70.  
 
 
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