687  
FPUS65 KTFX 210938  
AFPTFX  
 
CENTRAL AND SOUTHWEST MONTANA AREA FORECAST  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
337 AM MDT TUE JUL 21 2026  
 
MTZ301>314-316>318-220000-  
CENTRAL MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
337 AM MDT TUE JUL 21 2026  
 
   
TODAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. PATCHY SMOKE IN THE MORNING. HIGHS 80 TO 85...70 TO 80 IN  
THE MOUNTAINS.    
TONIGHT...PARTLY CLOUDY. LOWS 55 TO 65
 
50 TO 60 IN THE  
MOUNTAINS.    
WEDNESDAY
 
INCREASING CLOUDS. CHANCE OF SHOWERS IN THE  
AFTERNOON AND EVENING. HIGHS 85 TO 90...70 TO 80 IN THE  
MOUNTAINS.    
THURSDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 60 TO  
65. HIGHS 90 TO 100.    
FRIDAY
 
MOSTLY CLEAR. LOWS 60 TO 65. HIGHS 95 TO 105.    
SATURDAY
 
MOSTLY CLEAR. LOWS 60 TO 65. HIGHS 90 TO 100.  
 

 
 
MTZ315-319>330-220000-  
SOUTHWEST MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
337 AM MDT TUE JUL 21 2026  
 
   
TODAY
 
INCREASING CLOUDS. PATCHY SMOKE THROUGH THE DAY. CHANCE  
OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS 80 TO 85...70 TO 80 IN THE MOUNTAINS.    
TONIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. PATCHY SMOKE IN THE EVENING. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THROUGH THE NIGHT. LOWS 55 TO 60.    
WEDNESDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY THROUGH THE DAY.  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON AND EVENING. HIGHS 80 TO  
90...70 TO 80 IN THE MOUNTAINS.    
THURSDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS 55 TO 60. HIGHS 75 TO 85.    
FRIDAY
 
MOSTLY CLEAR. LOWS 55 TO 60. HIGHS 85 TO 95.    
SATURDAY
 
MOSTLY CLEAR. LOWS 55 TO 65. HIGHS 85 TO 95.  
 

 
 
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