710  
FPUS65 KTFX 181835  
AFPTFX  
 
CENTRAL AND SOUTHWEST MONTANA AREA FORECAST  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
1234 PM MDT THU JUN 18 2026  
 
MTZ301>314-316>318-190000-  
CENTRAL MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
1234 PM MDT THU JUN 18 2026  
 
   
REST OF TODAY
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS 60 TO 70...55 TO 65 IN THE  
MOUNTAINS.    
TONIGHT
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS  
40 TO 45...35 TO 40 IN THE MOUNTAINS.    
JUNETEENTH
 
SUNNY THEN BECOMING PARTLY CLOUDY IN THE AFTERNOON  
THEN BECOMING MOSTLY CLOUDY. HIGHS 65 TO 75...55 TO 65 IN THE  
MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 45 TO 50. HIGHS 75 TO 85.    
SUNDAY
 
PARTLY CLOUDY. COOLER. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 45 TO 50. HIGHS 60 TO 70.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS  
40 TO 45. HIGHS 60 TO 70.  
 

 
 
MTZ315-319>330-190000-  
SOUTHWEST MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
1234 PM MDT THU JUN 18 2026  
 
   
REST OF TODAY...SUNNY. HIGHS 70 TO 80
 
60 TO 70 IN THE  
MOUNTAINS.    
TONIGHT
 
MOSTLY CLEAR. LOWS 35 TO 45.    
JUNETEENTH...INCREASING CLOUDS. HIGHS 70 TO 80
 
65 TO 75 IN THE  
MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS 45 TO 50. HIGHS 65 TO 75.    
SUNDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 40 TO 50. HIGHS 65 TO 75.    
MONDAY
 
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 65 TO 75.  
 

 
 
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