206  
FPUS65 KTFX 222138  
AFPTFX  
 
CENTRAL AND SOUTHWEST MONTANA AREA FORECAST  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
337 PM MDT WED JUL 22 2026  
 
MTZ301>314-316>318-231200-  
CENTRAL MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
337 PM MDT WED JUL 22 2026  
 
...EXTREME HEAT WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH  
SUNDAY EVENING FOR HILL COUNTY...NORTHERN BLAINE COUNTY...BEARS  
PAW MOUNTAINS AND SOUTHERN BLAINE...FERGUS COUNTY BELOW 4500FT...  
   
TONIGHT
 
PARTLY CLOUDY. PATCHY SMOKE. LOWS 60 TO 65.    
THURSDAY
 
SUNNY. AND PATCHY SMOKE THROUGH THE DAY. SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 90 TO 100...75 TO  
85 IN THE MOUNTAINS.    
THURSDAY NIGHT
 
PARTLY CLOUDY. PATCHY SMOKE. SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS 60 TO 65.    
FRIDAY
 
CLEAR. HIGHS 90 TO 100.    
SATURDAY
 
CLEAR. LOWS 60 TO 65. HIGHS 95 TO 105.    
SUNDAY
 
MOSTLY CLEAR. LOWS 60 TO 65. HIGHS 90 TO 100.    
MONDAY
 
MOSTLY CLEAR. LOWS 55 TO 65. HIGHS 85 TO 95.  
 

 
 
MTZ315-319>330-231200-  
SOUTHWEST MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
337 PM MDT WED JUL 22 2026  
 
...FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT FOR NORTHWEST  
BEAVERHEAD COUNTY...RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD  
MOUNTAINS...GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL  
MOUNTAINS...  
   
TONIGHT
 
CLOUDY IN THE EVENING THEN BECOMING PARTLY CLOUDY.  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. SOME  
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN THE EVENING. LOWS  
50 TO 60.    
THURSDAY
 
INCREASING CLOUDS. SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 80 TO 90...70 TO 80 IN THE MOUNTAINS.    
THURSDAY NIGHT
 
PARTLY CLOUDY. PATCHY SMOKE IN THE EVENING.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE NIGHT.  
LOWS 55 TO 65.    
FRIDAY
 
MOSTLY CLEAR. HIGHS 85 TO 95.    
SATURDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 55 TO 65. HIGHS 85 TO 95.    
SUNDAY
 
MOSTLY CLEAR. LOWS 55 TO 60. HIGHS 85 TO 95.    
MONDAY
 
MOSTLY CLEAR. LOWS 55 TO 60. HIGHS 80 TO 90.  
 

 
 
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