154  
FPUS65 KTFX 170634  
AFPTFX  
 
CENTRAL AND SOUTHWEST MONTANA AREA FORECAST  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
1233 AM MDT THU SEP 17 2026  
 
MTZ301>314-316>318-181200-  
CENTRAL MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
1233 AM MDT THU SEP 17 2026  
 
   
REST OF TONIGHT
 
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE  
EVENING. HIGHS 70 TO 75. LOWS 40 TO 55...35 TO 50 IN THE  
MOUNTAINS.    
FRIDAY...INCREASING CLOUDS. HIGHS 70 TO 75
 
60 TO 70 IN THE  
MOUNTAINS.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 45 TO 55...40 TO 50 IN THE  
MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN. HIGHS 60 TO 70.    
SUNDAY
 
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 65 TO 75.    
MONDAY
 
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 70 TO 80.    
TUESDAY
 
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 70 TO 80.  
 

 
 
MTZ315-319>330-181200-  
SOUTHWEST MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
1233 AM MDT THU SEP 17 2026  
 
   
REST OF TONIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. HIGHS 70 TO 80...60 TO 70 IN THE MOUNTAINS. LOWS  
40 TO 50.    
FRIDAY
 
MOSTLY CLOUDY. RAIN SHOWERS LIKELY THROUGH THE DAY.  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 65 TO 75...55 TO  
65 IN THE MOUNTAINS.    
FRIDAY NIGHT
 
CLOUDY. RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS 40 TO 50.    
SATURDAY
 
MOSTLY CLOUDY. RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. 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.    
TUESDAY
 
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 65 TO 75.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MT Page Main Text Page