025  
FPUS65 KTFX 210634  
AFPTFX  
 
CENTRAL AND SOUTHWEST MONTANA AREA FORECAST  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
1233 AM MDT THU MAY 21 2026  
 
MTZ301>314-316>318-221200-  
CENTRAL MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
1233 AM MDT THU MAY 21 2026  
 
   
REST OF TONIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN AFTER MIDNIGHT.  
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. PATCHY FOG IN THE  
MORNING. HIGHS 55 TO 60...45 TO 55 IN THE MOUNTAINS. LOWS 35 TO  
40...25 TO 35 IN THE MOUNTAINS.    
FRIDAY...PARTLY CLOUDY. HIGHS 65 TO 70
 
50 TO 60 IN THE  
MOUNTAINS.    
FRIDAY NIGHT...PARTLY CLOUDY. LOWS 40 TO 45
 
35 TO 40 IN THE  
MOUNTAINS.    
SATURDAY
 
MOSTLY CLEAR. HIGHS 70 TO 80.    
SUNDAY
 
PARTLY CLOUDY. LOWS 45 TO 50. HIGHS 75 TO 85.    
MEMORIAL DAY
 
PARTLY CLOUDY. 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  
1233 AM MDT THU MAY 21 2026  
 
   
REST OF TONIGHT
 
SNOW AND RAIN AFTER MIDNIGHT, THEN CHANCE OF  
SNOW SHOWERS AND RAIN IN THE MORNING. SLIGHT CHANCE OF RAIN  
SHOWERS, THUNDERSTORMS AND SNOW SHOWERS IN THE AFTERNOON. HIGHS  
50 TO 55...40 TO 50 IN THE MOUNTAINS. LOWS 25 TO 35.    
FRIDAY...PARTLY CLOUDY. HIGHS 60 TO 65
 
50 TO 60 IN THE  
MOUNTAINS.    
FRIDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS  
30 TO 40.    
SATURDAY
 
MOSTLY CLEAR. HIGHS 65 TO 75.    
SUNDAY
 
PARTLY CLOUDY. LOWS 40 TO 45. HIGHS 65 TO 75.    
MEMORIAL DAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. 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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