562  
FPUS65 KTFX 170938  
AFPTFX  
 
CENTRAL AND SOUTHWEST MONTANA AREA FORECAST  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
337 AM MDT MON AUG 17 2026  
 
MTZ301>314-316>318-180000-  
CENTRAL MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
337 AM MDT MON AUG 17 2026  
 
   
TODAY  
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 75 TO 80...65 TO 75 IN THE  
MOUNTAINS.    
TONIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 50 TO  
55.    
TUESDAY  
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON AND EVENING. HIGHS 75 TO 80...65 TO 75 IN THE  
MOUNTAINS.    
WEDNESDAY  
MOSTLY CLEAR. LOWS 50 TO 55. HIGHS 75 TO 85.    
THURSDAY  
MOSTLY CLEAR. LOWS 50 TO 55. HIGHS 75 TO 85.    
FRIDAY  
PARTLY CLOUDY. LOWS 50 TO 60. HIGHS 80 TO 90.  
 
 
 
MTZ315-319>330-180000-  
SOUTHWEST MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
337 AM MDT MON AUG 17 2026  
 
   
TODAY  
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 75 TO 80...65 TO 75 IN THE  
MOUNTAINS.    
TONIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 50 TO 55.    
TUESDAY  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON AND EVENING. HIGHS 75 TO  
80...65 TO 70 IN THE MOUNTAINS.    
WEDNESDAY  
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 70 TO 80.    
THURSDAY  
MOSTLY CLEAR. LOWS 45 TO 55. HIGHS 75 TO 85.    
FRIDAY  
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS. LOWS 50 TO 55.  
HIGHS 75 TO 85.  
 
 
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