645  
FPUS65 KTFX 210735  
AFPTFX  
 
CENTRAL AND SOUTHWEST MONTANA AREA FORECAST  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
134 AM MDT SUN JUN 21 2026  
 
MTZ301>314-316>318-221200-  
CENTRAL MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
134 AM MDT SUN JUN 21 2026  
 
   
REST OF TONIGHT  
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON,  
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.  
HIGHS 65 TO 75...60 TO 70 IN THE MOUNTAINS. LOWS 45 TO 55...40 TO  
50 IN THE MOUNTAINS.    
MONDAY  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH THE DAY.  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 60 TO 70...  
50 TO 60 IN THE MOUNTAINS.    
MONDAY NIGHT  
MOSTLY CLEAR. LOWS 40 TO 45.    
TUESDAY  
PARTLY CLOUDY. HIGHS 65 TO 75.    
WEDNESDAY  
PARTLY CLOUDY. LOWS 45 TO 50. HIGHS 70 TO 80.    
THURSDAY  
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 50. HIGHS 75 TO 85.    
FRIDAY  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS 50 TO 55. HIGHS 75 TO 85.  
 
 
 
MTZ315-319>330-221200-  
SOUTHWEST MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
134 AM MDT SUN JUN 21 2026  
 
   
REST OF TONIGHT  
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING.  
HIGHS 70 TO 80...60 TO 70 IN THE MOUNTAINS. LOWS 40 TO 50.    
MONDAY  
SUNNY. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS 65 TO 75...60 TO 70 IN THE MOUNTAINS.    
MONDAY NIGHT...MOSTLY CLEAR. LOWS 40 TO 45  
35 TO 40 IN THE  
MOUNTAINS.    
TUESDAY  
MOSTLY CLEAR. HIGHS 65 TO 75.    
WEDNESDAY  
PARTLY CLOUDY. LOWS 40 TO 45. HIGHS 70 TO 80.    
THURSDAY  
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 45 TO 50. HIGHS 75 TO 85.    
FRIDAY  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS 45 TO 50. HIGHS 70 TO 80.  
 
 
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