181  
FPUS65 KTFX 121530  
SFPMT  
 
STATE FORECAST FOR MONTANA  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
930 AM MDT TUE MAY 12 2026  
 
MTZ001>007-043-122200-  
WEST OF THE CONTINENTAL DIVIDE-  
NATIONAL WEATHER SERVICE MISSOULA MT  
930 AM MDT TUE MAY 12 2026  
   
TODAY
 
MOSTLY SUNNY. HIGHS IN THE 80S.    
TONIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S TO LOWER 50S.    
WEDNESDAY
 
MOSTLY CLOUDY. RAIN LIKELY IN THE AFTERNOON AND  
EVENING. HIGHS IN THE 70S TO LOWER 80S.    
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN. LOWS IN THE MID 30S  
TO LOWER 40S. HIGHS IN THE UPPER 50S TO MID 60S.    
FRIDAY
 
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE 30S TO  
LOWER 40S. HIGHS IN THE 60S TO LOWER 70S.    
SATURDAY
 
MOSTLY CLOUDY. LOWS IN THE 30S. HIGHS IN THE 50S.  
 

 
 
MTZ301>314-316>318-122200-  
CENTRAL MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
930 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>330-122200-  
SOUTHWEST MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
930 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.  

 
 
MTZ016>027-059>062-122200-  
NORTHEAST MONTANA-  
NATIONAL WEATHER SERVICE GLASGOW MT  
930 AM MDT TUE MAY 12 2026  
 
...HIGH WIND WATCH IN EFFECT FROM THURSDAY MORNING THROUGH  
THURSDAY EVENING...  
   
TODAY
 
SUNNY. HIGHS IN THE 70S.    
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE 40S.    
WEDNESDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE  
AFTERNOON AND EVENING. HIGHS IN THE MID 80S TO LOWER 90S.    
THURSDAY
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS  
NEAR 70. LOWS IN THE LOWER TO MID 50S.    
FRIDAY
 
MOSTLY CLEAR. HIGHS NEAR 70. LOWS IN THE MID 40S TO  
LOWER 50S.    
SATURDAY
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS.  
HIGHS IN THE MID 60S TO LOWER 70S. LOWS IN THE LOWER TO MID 40S.  
 

 
 
MTZ028>042-056>058-063>068-122200-  
SOUTH CENTRAL AND SOUTHEAST MONTANA-  
NATIONAL WEATHER SERVICE BILLINGS MT  
930 AM MDT TUE MAY 12 2026  
   
REST OF TODAY
 
SUNNY. HIGHS IN THE 70S.    
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S TO MID 50S.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 80S TO THE MID 90S.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS.  
LOWS IN THE UPPER 40S TO THE UPPER 50S.    
THURSDAY
 
SUNNY. SLIGHT CHANCE OF RAIN SHOWERS. HIGHS IN THE  
MID 60S TO THE MID 70S.    
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLEAR. LOWS OF AROUND 40 TO  
AROUND 50. HIGHS IN THE UPPER 60S TO THE UPPER 70S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS OF AROUND 40 TO AROUND 50.    
SATURDAY
 
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS. HIGHS IN THE  
LOWER 60S TO MID 70S.  
 

 
 
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