214  
FPUS65 KTFX 130334  
AFPTFX  
 
CENTRAL AND SOUTHWEST MONTANA AREA FORECAST  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
933 PM MDT TUE MAY 12 2026  
 
MTZ301>314-316>318-131200-  
CENTRAL MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
933 PM MDT TUE MAY 12 2026  
 
...HIGH WIND WATCH NOW IN EFFECT FROM WEDNESDAY EVENING THROUGH  
THURSDAY EVENING FOR EAST GLACIER PARK REGION...NORTHERN HIGH  
PLAINS...EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL  
PONDERA...SOUTHERN ROCKY MOUNTAIN FRONT...SOUTHERN HIGH PLAINS...  
...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT  
THROUGH THURSDAY AFTERNOON FOR EASTERN TOOLE AND  
LIBERTY...CASCADE COUNTY BELOW 5000FT...JUDITH BASIN COUNTY AND  
JUDITH GAP...  
...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT  
THROUGH THURSDAY EVENING FOR HILL COUNTY...NORTHERN BLAINE  
COUNTY...WESTERN AND CENTRAL CHOUTEAU COUNTY...BEARS PAW  
MOUNTAINS AND SOUTHERN BLAINE...FERGUS COUNTY BELOW  
4500FT...SNOWY AND JUDITH MOUNTAINS...  
   
REST OF TONIGHT  
PARTLY CLOUDY. LOWS 45 TO 50.    
WEDNESDAY  
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. SOME THUNDERSTORMS MAY BE SEVERE. HIGHS 80 TO 90...  
65 TO 75 IN THE MOUNTAINS. SOUTHWEST WINDS 20 TO 25 MPH WITH  
GUSTS TO 40 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. COLDER. CHANCE OF RAIN SHOWERS  
AND SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. CHANCE OF  
RAIN AFTER MIDNIGHT. SOME THUNDERSTORMS MAY BE SEVERE. LOWS 40 TO  
50...25 TO 40 IN THE MOUNTAINS. WEST WINDS 25 TO 35 MPH  
INCREASING TO 30 TO 45 MPH AFTER MIDNIGHT. GUSTS UP TO 65 MPH.    
THURSDAY  
MOSTLY CLEAR. COOLER. HIGHS 60 TO 70. WEST WINDS  
30 TO 45 MPH WITH GUSTS TO 65 MPH.    
FRIDAY  
MOSTLY CLEAR. LOWS 35 TO 45. HIGHS 60 TO 70.    
SATURDAY  
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 35 TO 40.  
HIGHS 55 TO 65.    
SUNDAY  
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. LOWS 30 TO 40.  
HIGHS 45 TO 55.  
 
 
 
MTZ315-319>330-131200-  
SOUTHWEST MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
933 PM MDT TUE MAY 12 2026  
 
...HIGH WIND WATCH NOW IN EFFECT FROM WEDNESDAY EVENING THROUGH  
THURSDAY EVENING FOR UPPER BLACKFOOT AND MACDONALD PASS...  
...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT  
THROUGH THURSDAY AFTERNOON FOR HELENA VALLEY...  
...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH  
WEDNESDAY EVENING FOR CANYON FERRY AREA...MISSOURI  
HEADWATERS...MADISON RIVER VALLEY...GALLATIN VALLEY...NORTHWEST  
BEAVERHEAD COUNTY...BEAVERHEAD AND WESTERN MADISON BELOW  
6000FT...RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD  
MOUNTAINS...GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL  
MOUNTAINS...  
   
REST OF TONIGHT  
PARTLY CLOUDY. LOWS 45 TO 50.    
WEDNESDAY  
INCREASING CLOUDS. SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 80 TO 90...65 TO 75 IN THE MOUNTAINS.  
SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 55 MPH IN THE  
AFTERNOON.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.  
COLDER. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS 30 TO 40. WEST WINDS 25 TO 35 MPH DECREASING  
TO 20 TO 25 MPH AFTER MIDNIGHT. GUSTS UP TO 55 MPH.    
THURSDAY  
MOSTLY CLEAR. HIGHS 55 TO 65. WEST WINDS 20 TO 30 MPH  
WITH GUSTS TO 55 MPH.    
FRIDAY  
MOSTLY CLEAR. LOWS 35 TO 40. HIGHS 55 TO 65.    
SATURDAY  
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. LOWS  
30 TO 40. HIGHS 50 TO 60.    
SUNDAY  
MOSTLY CLOUDY. CHANCE OF SNOW AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS 25 TO 30. HIGHS 40 TO 50.  
 
 
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