168  
FPUS65 KTFX 220000  
SFPMT  
 
STATE FORECAST FOR MONTANA  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
600 PM MDT SUN JUN 21 2026  
 
MTZ001>007-043-221000-  
WEST OF THE CONTINENTAL DIVIDE-  
NATIONAL WEATHER SERVICE MISSOULA MT  
600 PM MDT SUN JUN 21 2026  
 
.../NOTICE/ THE AREA FORECAST PRODUCT (AFP) AND STATE FORECAST  
PRODUCT (SFP) FOR MONTANA WILL BE DISCONTINUED JUNE 29, 2026...  
   
TONIGHT
 
PARTLY CLOUDY. LOWS IN THE 40S.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE 70S TO LOWER 80S.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE 40S.    
TUESDAY
 
MOSTLY SUNNY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE UPPER 70S TO MID 80S.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S TO LOWER 50S.  
HIGHS IN THE 80S.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S TO MID 50S.  
HIGHS IN THE UPPER 70S TO MID 80S.    
FRIDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS IN  
THE UPPER 40S TO MID 50S. HIGHS IN THE UPPER 60S TO MID 70S.  
 

 
 
MTZ301>314-316>318-221000-  
CENTRAL MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
600 PM MDT SUN JUN 21 2026  
   
TONIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 45 TO 50...40 TO 45 IN THE  
MOUNTAINS.    
MONDAY
 
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH THE DAY.  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 60 TO 70...  
50 TO 60 IN THE MOUNTAINS.    
MONDAY NIGHT...PARTLY CLOUDY. LOWS 40 TO 45
 
35 TO 40 IN THE  
MOUNTAINS.    
TUESDAY
 
PARTLY CLOUDY. HIGHS 65 TO 70.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS 45 TO 50. HIGHS 70 TO 75.    
THURSDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 50 TO 55. HIGHS 70 TO 80.    
FRIDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS 50 TO 55. HIGHS 75 TO 85.  

 
 
MTZ315-319>330-221000-  
SOUTHWEST MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
600 PM MDT SUN JUN 21 2026  
   
TONIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. SLIGHT  
CHANCE OF RAIN SHOWERS IN THE EVENING. LOWS 40 TO 50.    
MONDAY
 
SUNNY. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS 65 TO 75...60 TO 70 IN THE MOUNTAINS.    
MONDAY NIGHT...MOSTLY CLEAR. LOWS 40 TO 45
 
35 TO 40 IN THE  
MOUNTAINS.    
TUESDAY
 
MOSTLY CLEAR. HIGHS 65 TO 75.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS 40 TO 50. HIGHS 70 TO 80.    
THURSDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 45 TO 50. HIGHS 70 TO 80.    
FRIDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS 45 TO 55. HIGHS 70 TO 80.  

 
 
MTZ016>027-059>062-221000-  
NORTHEAST MONTANA-  
NATIONAL WEATHER SERVICE GLASGOW MT  
600 PM MDT SUN JUN 21 2026  
   
TONIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE EVENING,  
THEN A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS  
AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. LOWS NEAR 50.    
MONDAY
 
SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS IN  
THE MORNING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE MID 60S TO LOWER 70S.    
MONDAY NIGHT
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE MID TO  
UPPER 40S.    
TUESDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE  
AFTERNOON AND EVENING. HIGHS IN THE MID 60S TO LOWER 70S.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS NEAR 70. LOWS IN THE MID TO  
UPPER 40S.    
THURSDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 70S TO LOWER 80S. LOWS NEAR 50.    
FRIDAY
 
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS AND A  
SLIGHT CHANCE OF SHOWERS. HIGHS NEAR 80. LOWS IN THE 50S.  
 

 
 
MTZ028>042-056>058-063>068-221000-  
SOUTH CENTRAL AND SOUTHEAST MONTANA-  
NATIONAL WEATHER SERVICE BILLINGS MT  
600 PM MDT SUN JUN 21 2026  
   
TONIGHT
 
MOSTLY CLOUDY. PATCHY FOG. CHANCE OF RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 40S TO THE UPPER 50S.    
MONDAY
 
PARTLY SUNNY. SCATTERED THUNDERSTORMS. HIGHS IN THE MID  
60S TO THE MID 70S.    
MONDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS WEST
 
 
AND PATCHY FOG EAST...AND SLIGHT CHANCE OF SHOWERS AND ISOLATED  
THUNDERSTORMS WEST...AND SCATTERED THUNDERSTORMS EAST. LOWS IN  
THE LOWER 40S TO THE LOWER 50S.    
TUESDAY
 
SUNNY. HIGHS IN THE UPPER 60S TO THE UPPER 70S.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S TO THE  
LOWER 50S.    
WEDNESDAY...MOSTLY SUNNY. SLIGHT CHANCE OF THUNDERSTORMS WEST
 
 
AND SLIGHT CHANCE OF SHOWERS EAST. HIGHS OF AROUND 70 TO AROUND  
80.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S TO THE MID  
50S.    
THURSDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS  
IN THE MID 70S TO THE MID 80S.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS OF  
AROUND 50 TO AROUND 60.    
FRIDAY
 
PARTLY SUNNY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS OF  
AROUND 80 TO AROUND 90.  
 

 
 
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