417  
FPUS65 KTFX 312330  
SFPMT  
 
STATE FORECAST FOR MONTANA  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
530 PM MDT SUN MAY 31 2026  
 
MTZ001>007-043-011000-  
WEST OF THE CONTINENTAL DIVIDE-  
NATIONAL WEATHER SERVICE MISSOULA MT  
530 PM MDT SUN MAY 31 2026  
   
TONIGHT
 
RAIN LIKELY. PATCHY FOG. LOWS IN THE MID 30S TO LOWER  
40S.    
MONDAY
 
RAIN LIKELY. AREAS OF FOG. HIGHS IN THE MID 50S TO  
LOWER 60S.    
MONDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. PATCHY FOG.  
LOWS IN THE MID 30S TO LOWER 40S.    
TUESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. PATCHY FOG IN THE  
MORNING. HIGHS IN THE 60S.    
WEDNESDAY
 
PARTLY CLOUDY. PATCHY FOG. LOWS IN THE MID 30S TO  
LOWER 40S. HIGHS IN THE 70S.    
THURSDAY
 
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY. LOWS IN THE  
UPPER 30S TO MID 40S. HIGHS IN THE UPPER 60S TO MID 70S.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S TO MID 40S. HIGHS  
IN THE 70S TO LOWER 80S.  
 

 
 
MTZ301>314-316>318-011000-  
CENTRAL MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
530 PM MDT SUN MAY 31 2026  
   
TONIGHT
 
RAIN. LOWS 35 TO 40. NORTHWEST WINDS 25 TO 35 MPH WITH  
GUSTS TO 50 MPH.    
MONDAY
 
CLOUDY. RAIN IN THE MORNING, THEN RAIN SHOWERS LIKELY  
IN THE AFTERNOON. HIGHS 45 TO 55...40 TO 50 IN THE MOUNTAINS.  
WEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH.    
MONDAY NIGHT
 
CLOUDY. CHANCE OF RAIN SHOWERS. LOWS 35 TO 40.  
WEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH.    
TUESDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS. HIGHS 50 TO 60.  
WEST WINDS 20 TO 25 MPH WITH GUSTS TO 35 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS  
35 TO 45. HIGHS 60 TO 70.    
THURSDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 40 TO 45. HIGHS 65 TO 75.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS  
40 TO 50. HIGHS 70 TO 80.  

 
 
MTZ315-319>330-011000-  
SOUTHWEST MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
530 PM MDT SUN MAY 31 2026  
   
TONIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS. LOWS 30 TO 40.    
MONDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH THE DAY.  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 55 TO 65...  
45 TO 55 IN THE MOUNTAINS.    
MONDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 30 TO 40.    
TUESDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS. HIGHS 55 TO 65.   
WEDNESDAY
 
PARTLY CLOUDY. LOWS 35 TO 40. HIGHS 60 TO 70.    
THURSDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 40 TO 45. HIGHS 60 TO 70.    
FRIDAY
 
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 65 TO 75.  

 
 
MTZ016>027-059>062-011000-  
NORTHEAST MONTANA-  
NATIONAL WEATHER SERVICE GLASGOW MT  
530 PM MDT SUN MAY 31 2026  
   
TONIGHT
 
CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
EVENING, THEN A CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN  
THE LOWER TO MID 40S.    
MONDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. HIGHS IN  
THE LOWER TO MID 60S.    
MONDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER TO MID 40S.    
TUESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. HIGHS  
NEAR 70.    
WEDNESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS.  
HIGHS NEAR 70. LOWS IN THE LOWER TO MID 40S.    
THURSDAY
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE 70S. LOWS IN THE 40S.    
FRIDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID TO UPPER 70S. LOWS NEAR 50.  
 

 
 
MTZ028>042-056>058-063>068-011000-  
SOUTH CENTRAL AND SOUTHEAST MONTANA-  
NATIONAL WEATHER SERVICE BILLINGS MT  
530 PM MDT SUN MAY 31 2026  
   
TONIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS IN  
THE UPPER 30S TO THE UPPER 40S.    
MONDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN  
THE LOWER 60S TO MID 70S.    
MONDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S TO THE UPPER 40S.    
TUESDAY
 
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. HIGHS IN THE UPPER 60S TO THE UPPER 70S.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS.  
LOWS OF AROUND 40 TO AROUND 50.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS AROUND 70 TO THE MID 70S.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. SLIGHT CHANCE OF RAIN SHOWERS.  
LOWS IN THE LOWER 40S TO THE LOWER 50S.    
THURSDAY AND THURSDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 40S  
TO THE MID 50S. HIGHS IN THE LOWER 70S TO THE LOWER 80S.    
FRIDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS. HIGHS IN  
THE MID 70S TO THE MID 80S.  
 

 
 
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