579  
FPUS65 KTFX 120938  
AFPTFX  
 
CENTRAL AND SOUTHWEST MONTANA AREA FORECAST  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
337 AM MDT TUE MAY 12 2026  
 
MTZ301>314-316>318-130000-  
CENTRAL MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
337 AM MDT TUE MAY 12 2026  
 
...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH  
THURSDAY EVENING FOR EAST GLACIER PARK REGION...NORTHERN HIGH  
PLAINS...EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL  
PONDERA...HILL COUNTY...NORTHERN BLAINE COUNTY...SOUTHERN ROCKY  
MOUNTAIN FRONT...SOUTHERN HIGH PLAINS...WESTERN AND CENTRAL  
CHOUTEAU COUNTY...BEARS PAW MOUNTAINS AND SOUTHERN  
BLAINE...FERGUS COUNTY BELOW 4500FT...SNOWY AND JUDITH  
MOUNTAINS...  
...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH  
THURSDAY AFTERNOON FOR EASTERN TOOLE AND LIBERTY...CASCADE COUNTY  
BELOW 5000FT...JUDITH BASIN COUNTY AND JUDITH GAP...  
   
TODAY...SUNNY. HIGHS 75 TO 80
 
60 TO 70 IN THE MOUNTAINS.    
TONIGHT
 
PARTLY CLOUDY. LOWS 45 TO 50.    
WEDNESDAY
 
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE AFTERNOON AND EVENING. HIGHS 80 TO 90...  
65 TO 75 IN THE MOUNTAINS. SOUTHWEST WINDS 20 TO 30 MPH WITH  
GUSTS TO 45 MPH IN THE AFTERNOON AND EVENING.    
THURSDAY
 
PARTLY CLOUDY. COOLER. CHANCE OF RAIN SHOWERS. LOWS  
40 TO 50. HIGHS 60 TO 70.    
FRIDAY
 
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 60 TO 70.    
SATURDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 35 TO 45.  
HIGHS 50 TO 60.  
 

 
 
MTZ315-319>330-130000-  
SOUTHWEST MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
337 AM MDT TUE MAY 12 2026  
 
...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH  
THURSDAY EVENING FOR UPPER BLACKFOOT AND MACDONALD PASS...  
...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH  
THURSDAY AFTERNOON FOR HELENA VALLEY...  
   
TODAY...SUNNY. HIGHS 75 TO 85
 
65 TO 75 IN THE MOUNTAINS.    
TONIGHT
 
PARTLY CLOUDY. LOWS 45 TO 50.    
WEDNESDAY
 
INCREASING CLOUDS. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON AND EVENING. HIGHS 75 TO  
85...65 TO 75 IN THE MOUNTAINS. SOUTHWEST WINDS 25 TO 35 MPH WITH  
GUSTS TO 50 MPH IN THE AFTERNOON AND EVENING.    
THURSDAY
 
MOSTLY CLEAR. COOLER. CHANCE OF RAIN AND SNOW  
SHOWERS. LOWS 30 TO 40. HIGHS 55 TO 65.    
FRIDAY
 
MOSTLY CLEAR. LOWS 35 TO 40. HIGHS 60 TO 70.    
SATURDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS 35 TO 40.  
HIGHS 50 TO 60.  
 

 
 
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