National Weather Service Forecast for: Great Falls MT
Issued by: National Weather Service Great Falls, MT
Updated: 2:37 pm MDT Jul 11, 2025
 
Tonight

Tonight: Partly cloudy, with a low around 54. East southeast wind around 6 mph becoming west southwest after midnight.
Partly Cloudy

Saturday

Saturday: Sunny, with a high near 93. West southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Sunny

Saturday
Night
Saturday Night: Mostly clear, with a low around 59. West northwest wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Mostly Clear

Sunday

Sunday: Sunny, with a high near 95. Southwest wind 5 to 8 mph.
Sunny

Sunday
Night
Sunday Night: Mostly clear, with a low around 59. Northwest wind 5 to 10 mph becoming southwest after midnight.
Mostly Clear

Monday

Monday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 87. West southwest wind 5 to 10 mph becoming north northwest 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 30%.
Sunny then
Chance
Showers
Monday
Night
Monday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 53. North northeast wind 10 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%.
Showers
Likely

Tuesday

Tuesday: Showers likely, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 66. North northeast wind 9 to 13 mph, with gusts as high as 22 mph.
Showers
Likely

Tuesday
Night
Tuesday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 48.
Slight Chance
T-storms then
Slight Chance
Showers
Lo 54 °F Hi 93 °F Lo 59 °F Hi 95 °F Lo 59 °F Hi 87 °F Lo 53 °F Hi 66 °F Lo 48 °F

 

Tonight
 
Partly cloudy, with a low around 54. East southeast wind around 6 mph becoming west southwest after midnight.
Saturday
 
Sunny, with a high near 93. West southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Saturday Night
 
Mostly clear, with a low around 59. West northwest wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Sunday
 
Sunny, with a high near 95. Southwest wind 5 to 8 mph.
Sunday Night
 
Mostly clear, with a low around 59. Northwest wind 5 to 10 mph becoming southwest after midnight.
Monday
 
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 87. West southwest wind 5 to 10 mph becoming north northwest 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 30%.
Monday Night
 
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. North northeast wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Tuesday
 
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 66. North northeast wind 9 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
 
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Wednesday
 
A slight chance of showers before noon. Partly sunny, with a high near 71.
Wednesday Night
 
Mostly clear, with a low around 48.
Thursday
 
Sunny, with a high near 84.
Thursday Night
 
Mostly clear, with a low around 53.
Friday
 
Sunny, with a high near 89.

 

Forecast from NOAA-NWS for Great Falls MT.