National Weather Service Forecast for: Malmstrom Afb MT
Issued by: National Weather Service Great Falls, MT
Updated: 3:22 am MST Dec 18, 2025
 
Today

Today: Increasing clouds, with a high near 45. Southwest wind 14 to 17 mph, with gusts as high as 26 mph.
Increasing
Clouds

 Tonight

Tonight: A chance of rain and snow before 3am, then a chance of rain after 5am. Cloudy, then gradually becoming partly cloudy, with a temperature rising to around 47 by 2am. Windy, with a southwest wind 18 to 23 mph increasing to 28 to 33 mph after midnight. Winds could gust as high as 49 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Windy. Chance
Rain/Snow
then Chance
Rain
 Friday

Friday: A chance of rain before 8am, then a chance of snow. Mostly sunny, with a temperature falling to around 33 by 5pm. Windy, with a west southwest wind 23 to 31 mph, with gusts as high as 47 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Chance
Rain/Snow and
Windy
 Friday
Night
Friday Night: Mostly clear, with a low around 25. West southwest wind 15 to 17 mph, with gusts as high as 25 mph.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 38. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 32 mph.
Sunny and
Breezy

 Saturday
Night
Saturday Night: Mostly clear, with a low around 26. South southwest wind 15 to 18 mph, with gusts as high as 28 mph.
Mostly Clear

 Sunday

Sunday: Partly sunny, with a high near 44. South wind 8 to 13 mph.
Partly Sunny

 Sunday
Night
Sunday Night: A slight chance of rain after 11pm, mixing with snow after 2am. Mostly cloudy, with a low around 32. South southwest wind 8 to 10 mph.
Slight Chance
Rain then
Slight Chance
Rain/Snow
 Monday

Monday: A slight chance of rain and snow. Partly sunny, with a high near 46.
Slight Chance
Rain/Snow
Hi 45 °F Lo 39 °F⇑ Hi 46 °F⇓ Lo 25 °F Hi 38 °F Lo 26 °F Hi 44 °F Lo 32 °F Hi 46 °F

High Wind Watch
 

Today
 
 Increasing clouds, with a high near 45. Southwest wind 14 to 17 mph, with gusts as high as 26 mph.
Tonight
 
 A chance of rain and snow before 3am, then a chance of rain after 5am. Cloudy, then gradually becoming partly cloudy, with a temperature rising to around 47 by 2am. Windy, with a southwest wind 18 to 23 mph increasing to 28 to 33 mph after midnight. Winds could gust as high as 49 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
 
 A chance of rain before 8am, then a chance of snow. Mostly sunny, with a temperature falling to around 33 by 5pm. Windy, with a west southwest wind 23 to 31 mph, with gusts as high as 47 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
 
 Mostly clear, with a low around 25. West southwest wind 15 to 17 mph, with gusts as high as 25 mph.
Saturday
 
 Sunny, with a high near 38. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 32 mph.
Saturday Night
 
 Mostly clear, with a low around 26. South southwest wind 15 to 18 mph, with gusts as high as 28 mph.
Sunday
 
 Partly sunny, with a high near 44. South wind 8 to 13 mph.
Sunday Night
 
 A slight chance of rain after 11pm, mixing with snow after 2am. Mostly cloudy, with a low around 32. South southwest wind 8 to 10 mph.
Monday
 
 A slight chance of rain and snow. Partly sunny, with a high near 46.
Monday Night
 
 A slight chance of rain and snow before 11pm, then a slight chance of snow. Partly cloudy, with a low around 28.
Tuesday
 
 Partly sunny, with a high near 45.
Tuesday Night
 
 Mostly cloudy, with a low around 27.
Wednesday
 
 A slight chance of rain and snow. Mostly cloudy, with a high near 43.

 

Forecast from NOAA-NWS for Malmstrom Afb MT.