864  
FPUS65 KTFX 181101  
SFPMT  
 
STATE FORECAST FOR MONTANA  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
401 AM MST THU DEC 18 2025  
 
MTZ001>007-043-182300-  
WEST OF THE CONTINENTAL DIVIDE-  
NATIONAL WEATHER SERVICE MISSOULA MT  
401 AM MST THU DEC 18 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THIS  
AFTERNOON TO 11 AM MST SATURDAY FOR WEST GLACIER REGION...LOWER  
CLARK FORK REGION...  
...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO  
5 PM MST FRIDAY FOR BITTERROOT/SAPPHIRE MOUNTAINS...  
   
TODAY
 
CLOUDY WITH AREAS OF SNOW. HIGHS IN THE MID 30S TO LOWER  
40S.    
TONIGHT
 
RAIN LIKELY AND A SLIGHT CHANCE OF SNOW. LOWS IN THE  
MID 20S TO LOWER 30S.    
FRIDAY
 
RAIN AND SNOW LIKELY IN THE MORNING, THEN A CHANCE OF  
SNOW IN THE AFTERNOON AND EVENING. HIGHS IN THE UPPER 30S TO MID  
40S.    
SATURDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS 18 TO 25.  
HIGHS IN THE 30S.    
SUNDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW. LOWS  
17 TO 24. HIGHS IN THE MID 30S TO LOWER 40S.    
MONDAY
 
MOSTLY CLOUDY WITH RAIN AND SNOW LIKELY. LOWS IN THE  
MID 20S TO LOWER 30S. HIGHS IN THE UPPER 30S TO MID 40S.  
 

 
 
MTZ301>314-316>318-182300-  
CENTRAL MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
401 AM MST THU DEC 18 2025  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO  
6 PM MST FRIDAY FOR EAST GLACIER PARK REGION...SOUTHERN ROCKY  
MOUNTAIN FRONT...  
...HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH FRIDAY  
AFTERNOON FOR NORTHERN HIGH PLAINS...EASTERN GLACIER, WESTERN  
TOOLE, AND CENTRAL PONDERA...SOUTHERN HIGH PLAINS...  
...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY  
AFTERNOON FOR EASTERN TOOLE AND LIBERTY...EASTERN PONDERA AND  
EASTERN TETON...CASCADE COUNTY BELOW 5000FT...JUDITH BASIN COUNTY  
AND JUDITH GAP...LITTLE BELT AND HIGHWOOD MOUNTAINS...  
   
TODAY
 
INCREASING CLOUDS. PATCHY BLOWING SNOW IN THE AFTERNOON.  
SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS 35 TO 45...30 TO  
40 IN THE MOUNTAINS.    
TONIGHT
 
MOSTLY CLOUDY. AND PATCHY BLOWING SNOW THROUGH THE  
NIGHT. CHANCE OF RAIN AND SNOW THROUGH THE NIGHT. LOWS 20 TO 35...  
15 TO 30 IN THE MOUNTAINS. SOUTHWEST WINDS 20 TO 30 MPH. GUSTS UP  
TO 45 MPH INCREASING TO 55 MPH AFTER MIDNIGHT.    
FRIDAY
 
PARTLY CLOUDY THEN CLEARING. PATCHY BLOWING SNOW.  
CHANCE OF SNOW THROUGH THE DAY. HIGHS 40 TO 45...30 TO 40 IN THE  
MOUNTAINS. WEST WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH.    
SATURDAY
 
PARTLY CLOUDY. CHANCE OF SNOW. LOWS 10 TO 25. HIGHS  
25 TO 35.    
SUNDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS 20 TO 30.  
HIGHS 35 TO 40.    
MONDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. LOWS  
15 TO 30. HIGHS 35 TO 45.  

 
 
MTZ315-319>330-182300-  
SOUTHWEST MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
401 AM MST THU DEC 18 2025  
 
...HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH FRIDAY  
AFTERNOON FOR MADISON RIVER VALLEY...  
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THIS  
AFTERNOON TO 9 PM MST FRIDAY FOR NORTHWEST BEAVERHEAD COUNTY...  
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO  
MIDNIGHT MST FRIDAY NIGHT FOR GALLATIN AND MADISON COUNTY  
MOUNTAINS AND CENTENNIAL MOUNTAINS...  
   
TODAY
 
MOSTLY CLOUDY. CHANCE OF SNOW THROUGH THE DAY. PATCHY  
BLOWING SNOW IN THE AFTERNOON. HIGHS 30 TO 40...25 TO 35 IN THE  
MOUNTAINS. SOUTH WINDS 20 TO 25 MPH WITH GUSTS TO 35 MPH IN THE  
AFTERNOON.    
TONIGHT
 
MOSTLY CLOUDY. PATCHY BLOWING SNOW. CHANCE OF SNOW AND  
RAIN. LOWS 25 TO 35...20 TO 30 IN THE MOUNTAINS. SOUTHWEST WINDS  
20 TO 30 MPH WITH GUSTS TO 50 MPH.    
FRIDAY
 
MOSTLY CLOUDY. PATCHY BLOWING SNOW. RAIN LIKELY IN THE  
MORNING. SNOW THROUGH THE DAY. HIGHS 40 TO 50...30 TO 40 IN THE  
MOUNTAINS. WEST WINDS 20 TO 30 MPH. GUSTS UP TO 50 MPH DECREASING  
TO 40 MPH IN THE AFTERNOON AND EVENING.    
SATURDAY
 
MOSTLY CLEAR. COLDER. LOWS 10 TO 20. HIGHS 20 TO 30.    
SUNDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW. LOWS 15 TO 30. HIGHS  
30 TO 40.    
MONDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN. LOWS 25 TO 35.  
HIGHS 35 TO 45.  

 
 
MTZ016>027-059>062-182300-  
NORTHEAST MONTANA-  
NATIONAL WEATHER SERVICE GLASGOW MT  
401 AM MST THU DEC 18 2025  
   
..BLIZZARD WARNING IN EFFECT UNTIL 6 AM MST EARLY THIS MORNING
 
 
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MST EARLY THIS  
MORNING...  
   
TODAY
 
PARTLY CLOUDY. HIGHS IN THE 20S.    
TONIGHT
 
CLOUDY. A CHANCE OF LIGHT SNOW IN THE EVENING, THEN A  
CHANCE OF LIGHT SNOW AND A SLIGHT CHANCE OF FREEZING RAIN AFTER  
MIDNIGHT. PATCHY BLOWING SNOW THROUGH THE NIGHT. LOWS 10 TO 20.    
FRIDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. PATCHY BLOWING SNOW IN THE MORNING. A SLIGHT CHANCE OF  
LIGHT SNOW IN THE AFTERNOON AND EVENING. HIGHS IN THE LOWER TO  
MID 40S.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 19 TO 24. LOWS 5 TO 15.    
SUNDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER TO MID 30S. LOWS  
10 TO 20.    
MONDAY
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF LIGHT RAIN AND  
FREEZING RAIN. HIGHS IN THE MID 30S TO LOWER 40S. LOWS 10 TO 20.  
 

 
 
MTZ028>042-056>058-063>068-182300-  
SOUTH CENTRAL AND SOUTHEAST MONTANA-  
NATIONAL WEATHER SERVICE BILLINGS MT  
401 AM MST THU DEC 18 2025  
 
...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING FOR  
PORTIONS OF SOUTH CENTRAL MONTANA... AND MOST OF SOUTHEAST  
MONTANA...  
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 8 AM MST THIS MORNING FOR  
PORTIONS OF SOUTHEAST MONTANA...  
   
TODAY
 
PARTLY SUNNY. PATCHY BLOWING SNOW. HIGHS IN THE UPPER  
20S TO LOWER 40S.    
TONIGHT
 
MOSTLY CLOUDY. BLOWING SNOW. SLIGHT CHANCE OF SNOW.  
LOWS FROM THE UPPER 30S WEST TO THE LOWER 20S EAST.    
FRIDAY...MOSTLY CLOUDY. BLOWING SNOW WEST
 
AND RAIN AND SNOW  
LIKELY WEST...AND CHANCE OF RAIN AND SNOW EAST. HIGHS IN THE  
UPPER 40S TO THE UPPER 50S.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. PATCHY BLOWING SNOW. CHANCE OF  
SNOW. LOWS IN THE UPPER TEENS TO MID 20S.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 30S TO THE MID 40S.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER TEENS TO MID  
20S.    
SUNDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 30S TO THE UPPER 40S.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS IN THE  
MID 20S TO THE MID 30S.    
MONDAY...MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW WEST
 
AND  
SLIGHT CHANCE OF RAIN EAST. HIGHS IN THE MID 40S TO THE MID 50S.  
 

 
 
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