570  
FPUS65 KTFX 212156  
SFPMT  
 
STATE FORECAST FOR MONTANA  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
356 PM MDT MON JUL 21 2025  
 
MTZ001>007-043-221000-  
WEST OF THE CONTINENTAL DIVIDE-  
NATIONAL WEATHER SERVICE MISSOULA MT  
356 PM MDT MON JUL 21 2025  
   
TONIGHT
 
RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF  
THUNDERSTORMS. PATCHY FOG. SOME THUNDERSTORMS MAY PRODUCE HEAVY  
RAINFALL. LOWS IN THE MID 40S TO LOWER 50S.    
TUESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. PATCHY FOG. SOME THUNDERSTORMS MAY PRODUCE HEAVY  
RAINFALL. HIGHS IN THE UPPER 60S TO MID 70S.    
TUESDAY NIGHT
 
PARTLY CLOUDY. PATCHY FOG. LOWS IN THE 40S TO  
LOWER 50S.    
WEDNESDAY
 
MOSTLY CLEAR. AREAS OF FOG IN THE MORNING. HIGHS IN  
THE UPPER 70S TO MID 80S.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S TO LOWER 50S. HIGHS  
IN THE 80S TO LOWER 90S.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO MID 50S. HIGHS  
IN THE 80S TO LOWER 90S.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S TO LOWER 50S. HIGHS  
IN THE 80S TO LOWER 90S.  
 

 
 
MTZ301>314-316>318-221000-  
CENTRAL MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
356 PM MDT MON JUL 21 2025  
   
TONIGHT
 
RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN THE  
EVENING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT. SOME THUNDERSTORMS MAY PRODUCE  
DAMAGING WINDS AND LARGE HAIL. LOWS 50 TO 55.    
TUESDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH THE DAY.  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 65 TO 75...55 TO  
65 IN THE MOUNTAINS.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 45 TO 55...40 TO 50 IN THE  
MOUNTAINS.    
WEDNESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. HIGHS  
70 TO 80.    
THURSDAY
 
MOSTLY CLEAR. LOWS 50 TO 55. HIGHS 80 TO 90.    
FRIDAY
 
MOSTLY CLEAR. LOWS 55 TO 60. HIGHS 85 TO 95.    
SATURDAY
 
MOSTLY CLEAR. LOWS 50 TO 60. HIGHS 80 TO 90.  

 
 
MTZ315-319>330-221000-  
SOUTHWEST MONTANA-  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
356 PM MDT MON JUL 21 2025  
   
TONIGHT
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE EVENING, THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER MIDNIGHT. LOWS 50 TO 55...45 TO 50 IN THE MOUNTAINS.    
TUESDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH THE DAY.  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 70 TO 75...60 TO  
70 IN THE MOUNTAINS.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS 45 TO 50.    
WEDNESDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 70 TO 80.    
THURSDAY
 
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 75 TO 85.    
FRIDAY
 
MOSTLY CLEAR. LOWS 45 TO 55. HIGHS 75 TO 85.    
SATURDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS  
50 TO 55. HIGHS 75 TO 85.  

 
 
MTZ016>027-059>062-221000-  
NORTHEAST MONTANA-  
NATIONAL WEATHER SERVICE GLASGOW MT  
356 PM MDT MON JUL 21 2025  
 
...SEVERE THUNDERSTORM WATCH 535 IN EFFECT UNTIL 11 PM MDT THIS  
EVENING...  
   
TONIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S TO LOWER 60S.    
TUESDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT CHANCE  
OF THUNDERSTORMS IN THE MORNING, THEN A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS MAY BE  
SEVERE IN THE MORNING. HIGHS IN THE 70S.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS  
AFTER MIDNIGHT. LOWS IN THE 50S.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE  
MORNING, THEN PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON AND EVENING. HIGHS IN  
THE MID TO UPPER 70S.    
THURSDAY
 
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS. HIGHS IN  
THE MID TO UPPER 80S. LOWS IN THE 50S.    
FRIDAY
 
MOSTLY CLEAR. HIGHS IN THE LOWER TO MID 90S. LOWS NEAR  
60.    
SATURDAY
 
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS NEAR 90. LOWS NEAR 60.  
 

 
 
MTZ028>042-056>058-063>068-221000-  
SOUTH CENTRAL AND SOUTHEAST MONTANA-  
NATIONAL WEATHER SERVICE BILLINGS MT  
356 PM MDT MON JUL 21 2025  
 
...SEVERE THUNDERSTORM WATCH 535 IN EFFECT UNTIL 11 PM MDT THIS  
EVENING FOR MOST OF SOUTH CENTRAL MONTANA... AND ALL OF SOUTHEAST  
MONTANA...  
   
TONIGHT
 
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE  
LOWER 50S TO MID 60S.    
TUESDAY
 
PARTLY SUNNY. CHANCE OF THUNDERSTORMS. HIGHS IN THE  
MID 70S TO THE MID 80S.    
TUESDAY NIGHT...MOSTLY CLOUDY. PATCHY FOG WEST
 
AND CHANCE OF  
THUNDERSTORMS WEST...AND SHOWERS LIKELY AND CHANCE OF  
THUNDERSTORMS EAST. LOWS AROUND 50 TO THE LOWER 60S.    
WEDNESDAY
 
PARTLY SUNNY. CHANCE OF THUNDERSTORMS. HIGHS IN THE  
MID 70S TO THE MID 80S.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS AROUND 50 TO THE LOWER 60S.    
THURSDAY
 
SUNNY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE  
MID 80S TO LOWER 90S.    
THURSDAY NIGHT
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS IN THE LOWER 50S TO THE LOWER 60S.    
FRIDAY
 
SUNNY. HIGHS IN THE UPPER 80S TO MID 90S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S TO THE LOWER  
60S.    
SATURDAY
 
SUNNY. HIGHS IN THE UPPER 80S TO MID 90S.  
 

 
 
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