716  
FPUS65 KTFX 211838  
AFPTFX  
 
CENTRAL AND SOUTHWEST MONTANA AREA FORECAST  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
1237 PM MDT THU MAY 21 2026  
 
MTZ301>314-316>318-220000-  
CENTRAL MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
1237 PM MDT THU MAY 21 2026  
 
   
REST OF TODAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS.  
HIGHS 55 TO 60...45 TO 55 IN THE MOUNTAINS.    
TONIGHT...PARTLY CLOUDY. LOWS 35 TO 40
 
25 TO 35 IN THE  
MOUNTAINS.    
FRIDAY
 
INCREASING CLOUDS. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
AFTERNOON AND EVENING. HIGHS 60 TO 70...50 TO 60 IN THE  
MOUNTAINS.    
SATURDAY
 
PARTLY CLOUDY. LOWS 40 TO 45. HIGHS 70 TO 80.    
SUNDAY
 
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 75 TO 85.    
MEMORIAL DAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 45 TO  
50. HIGHS 75 TO 85.  
 

 
 
MTZ315-319>330-220000-  
SOUTHWEST MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
1237 PM MDT THU MAY 21 2026  
 
   
REST OF TODAY...PARTLY CLOUDY. HIGHS 50 TO 55
 
40 TO 50 IN THE  
MOUNTAINS.    
TONIGHT...PARTLY CLOUDY. LOWS 30 TO 35
 
25 TO 30 IN THE  
MOUNTAINS.    
FRIDAY...INCREASING CLOUDS. HIGHS 60 TO 65
 
50 TO 60 IN THE  
MOUNTAINS.    
SATURDAY
 
PARTLY CLOUDY. LOWS 35 TO 40. HIGHS 65 TO 75.    
SUNDAY
 
PARTLY CLOUDY. LOWS 40 TO 45. HIGHS 65 TO 75.    
MEMORIAL DAY
 
PARTLY CLOUDY. LOWS 40 TO 45. HIGHS 70 TO 80.  
 

 
 
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