617  
FPUS65 KTFX 151500  
SFPMT  
 
STATE FORECAST FOR MONTANA  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
900 AM MDT SUN MAR 15 2026  
 
MTZ001>007-043-152200-  
WEST OF THE CONTINENTAL DIVIDE-  
NATIONAL WEATHER SERVICE MISSOULA MT  
900 AM MDT SUN MAR 15 2026  
   
TODAY
 
PARTLY CLOUDY. HIGHS IN THE 30S TO LOWER 40S.    
TONIGHT
 
CLOUDY WITH A CHANCE OF SNOW. LOWS IN THE 20S.    
MONDAY
 
RAIN AND SNOW LIKELY IN THE MORNING, THEN RAIN LIKELY  
IN THE AFTERNOON AND EVENING. HIGHS IN THE MID 40S TO LOWER 50S.    
TUESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE MID  
30S TO LOWER 40S. HIGHS IN THE 50S.    
WEDNESDAY
 
MOSTLY CLOUDY WITH RAIN LIKELY. LOWS IN THE UPPER  
30S TO MID 40S. HIGHS IN THE MID 50S TO LOWER 60S.    
THURSDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE MID  
30S TO LOWER 40S. HIGHS IN THE UPPER 50S TO MID 60S.  
 

 
 
MTZ301>314-316>318-152200-  
CENTRAL MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
900 AM MDT SUN MAR 15 2026  
 
...HIGH WIND WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH  
TUESDAY AFTERNOON 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 IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY  
AFTERNOON FOR EASTERN TOOLE AND LIBERTY...HILL COUNTY...NORTHERN  
BLAINE COUNTY...WESTERN AND CENTRAL CHOUTEAU COUNTY...BEARS PAW  
MOUNTAINS AND SOUTHERN BLAINE...JUDITH BASIN COUNTY AND JUDITH  
GAP...FERGUS COUNTY BELOW 4500FT...SNOWY AND JUDITH MOUNTAINS...  
   
TODAY...PARTLY CLOUDY. HIGHS 20 TO 30
 
15 TO 25 IN THE  
MOUNTAINS.    
TONIGHT
 
MOSTLY CLOUDY. PATCHY BLOWING SNOW AFTER MIDNIGHT.  
LOWS 10 TO 20.    
MONDAY
 
MOSTLY CLOUDY. MUCH WARMER. PATCHY BLOWING SNOW IN THE  
MORNING. AND SLIGHT CHANCE OF SNOW THROUGH THE DAY. CHANCE OF  
RAIN IN THE AFTERNOON AND EVENING. HIGHS 40 TO 50...35 TO 45 IN  
THE MOUNTAINS. SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH  
IN THE AFTERNOON AND EVENING.    
TUESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 35 TO 40.  
HIGHS 50 TO 60.    
WEDNESDAY
 
MOSTLY CLOUDY. LOWS 40 TO 45. HIGHS 55 TO 65.    
THURSDAY
 
MOSTLY CLOUDY. LOWS 40 TO 45. HIGHS 60 TO 70.  

 
 
MTZ315-319>330-152200-  
SOUTHWEST MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
900 AM MDT SUN MAR 15 2026  
   
TODAY
 
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 25 TO  
35...20 TO 30 IN THE MOUNTAINS.    
TONIGHT
 
MOSTLY CLOUDY. LOWS 15 TO 25.    
MONDAY
 
MOSTLY CLOUDY. NOT AS COOL. SNOW LIKELY THROUGH THE  
DAY. CHANCE OF RAIN IN THE AFTERNOON AND EVENING. HIGHS 45 TO  
55...35 TO 45 IN THE MOUNTAINS. SOUTHWEST WINDS 20 TO 25 MPH WITH  
GUSTS TO 35 MPH IN THE AFTERNOON.    
TUESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 30 TO 40.  
HIGHS 50 TO 60.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS 35 TO 45. HIGHS 55 TO 65.    
THURSDAY
 
PARTLY CLOUDY. LOWS 35 TO 45. HIGHS 60 TO 70.  

 
 
MTZ016>027-059>062-152200-  
NORTHEAST MONTANA-  
NATIONAL WEATHER SERVICE GLASGOW MT  
900 AM MDT SUN MAR 15 2026  
   
REST OF TODAY
 
SUNNY. HIGHS 18 TO 23.    
TONIGHT
 
MOSTLY CLEAR. LOWS ZERO TO 10 ABOVE.    
MONDAY
 
MOSTLY CLOUDY. A SLIGHT CHANCE OF LIGHT SNOW IN THE  
AFTERNOON AND EVENING. HIGHS IN THE 30S.    
TUESDAY
 
MOSTLY CLOUDY. HIGHS IN THE MID 50S TO LOWER 60S. LOWS  
IN THE MID 20S TO LOWER 30S.    
WEDNESDAY
 
MOSTLY CLOUDY. HIGHS IN THE 60S. LOWS NEAR 40.    
THURSDAY
 
MOSTLY CLOUDY. HIGHS NEAR 70. LOWS IN THE LOWER TO  
MID 40S.  
 

 
 
MTZ028>042-056>058-063>068-152200-  
SOUTH CENTRAL AND SOUTHEAST MONTANA-  
NATIONAL WEATHER SERVICE BILLINGS MT  
900 AM MDT SUN MAR 15 2026  
   
TODAY
 
PARTLY SUNNY. SLIGHT CHANCE OF SNOW. HIGHS IN THE UPPER  
TEENS TO LOWER 30S.    
TONIGHT
 
PARTLY CLOUDY. LOWS FROM THE LOWER 20S WEST TO THE  
SINGLE DIGITS ABOVE ZERO EAST.    
MONDAY
 
MOSTLY CLOUDY. PATCHY BLOWING SNOW. CHANCE OF RAIN  
SHOWERS AND SLIGHT CHANCE OF SNOW SHOWERS. HIGHS FROM AROUND  
50 WEST TO THE MID 30S EAST.    
MONDAY NIGHT...MOSTLY CLOUDY. PATCHY BLOWING SNOW WEST
 
AND  
SLIGHT CHANCE OF SHOWERS WEST...AND SLIGHT CHANCE OF SHOWERS AND  
SNOW SHOWERS EAST. LOWS FROM THE MID 40S WEST TO THE MID 20S  
EAST.    
TUESDAY
 
PARTLY SUNNY. PATCHY BLOWING SNOW. HIGHS IN THE MID  
50S TO THE MID 60S.    
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN  
THE UPPER 30S TO THE UPPER 40S. HIGHS IN THE MID 60S TO LOWER  
70S.    
THURSDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S TO MID 70S.  
 

 
 
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