027  
FPUS65 KTFX 162138  
AFPTFX  
 
CENTRAL AND SOUTHWEST MONTANA AREA FORECAST  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
337 PM MDT WED SEP 16 2026  
 
MTZ301>314-316>318-171200-  
CENTRAL MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
337 PM MDT WED SEP 16 2026  
 
   
TONIGHT  
MOSTLY CLEAR. LOWS 40 TO 45.    
THURSDAY  
SUNNY. HIGHS 70 TO 75.    
THURSDAY NIGHT...MOSTLY CLOUDY. LOWS 50 TO 55  
45 TO 50 IN THE  
MOUNTAINS.    
FRIDAY  
PARTLY CLOUDY. CHANCE OF RAIN. HIGHS 65 TO 75.    
SATURDAY  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 45 TO 55. HIGHS 65 TO 70.    
SUNDAY  
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 65 TO 75.    
MONDAY  
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 70 TO 80.  
 
 
 
MTZ315-319>330-171200-  
SOUTHWEST MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
337 PM MDT WED SEP 16 2026  
 
   
TONIGHT  
PARTLY CLOUDY. LOWS 40 TO 45.    
THURSDAY  
INCREASING CLOUDS. AND SLIGHT CHANCE OF RAIN THROUGH  
THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS  
70 TO 80...60 TO 70 IN THE MOUNTAINS.    
THURSDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 40 TO 50.    
FRIDAY  
MOSTLY CLOUDY. RAIN SHOWERS AND CHANCE OF  
THUNDERSTORMS. HIGHS 60 TO 70.    
SATURDAY  
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS 40 TO 50. HIGHS 55 TO 65.    
SUNDAY  
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 60 TO 70.    
MONDAY  
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 65 TO 75.  
 
 
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