National Weather Service Forecast for: Malmstrom Afb MT
Issued by: National Weather Service Great Falls, MT
Updated: 9:17 pm MST Dec 4, 2025
 
Overnight

Overnight: A 10 percent chance of snow after 5am. Cloudy, with a low around 23. West southwest wind 6 to 8 mph.
Slight Chance
Snow

 Friday

Friday: A slight chance of snow before 4pm, then a chance of rain and snow. Cloudy, then gradually becoming mostly sunny, with a high near 38. Southwest wind 5 to 8 mph becoming south southeast in the afternoon. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Slight Chance
Snow then
Chance
Rain/Snow
 Friday
Night
Friday Night: Rain and snow, becoming all snow after 3am. Low around 21. Southeast wind around 10 mph becoming west southwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Rain/Snow

 Saturday

Saturday: Snow likely before 11am. Mostly cloudy, with a high near 33. West northwest wind 3 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Snow Likely
then Mostly
Cloudy
 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 21. Southwest wind 7 to 17 mph, with gusts as high as 25 mph.
Mostly Cloudy

 Sunday

Sunday: Partly sunny, with a high near 42. Southwest wind 16 to 18 mph, with gusts as high as 30 mph.
Partly Sunny

 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 34. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 37 mph.
Mostly Cloudy
and Breezy

 Monday

Monday: Mostly sunny, with a high near 44. Southwest wind 18 to 21 mph, with gusts as high as 32 mph.
Mostly Sunny

 Monday
Night
Monday Night: A slight chance of rain after 11pm. Mostly cloudy, with a low around 36. Breezy.
Slight Chance
Rain and
Breezy
Lo 23 °F Hi 38 °F Lo 21 °F Hi 33 °F Lo 21 °F Hi 42 °F Lo 34 °F Hi 44 °F Lo 36 °F

 

Overnight
 
 A 10 percent chance of snow after 5am. Cloudy, with a low around 23. West southwest wind 6 to 8 mph.
Friday
 
 A slight chance of snow before 4pm, then a chance of rain and snow. Cloudy, then gradually becoming mostly sunny, with a high near 38. Southwest wind 5 to 8 mph becoming south southeast in the afternoon. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday Night
 
 Rain and snow, becoming all snow after 3am. Low around 21. Southeast wind around 10 mph becoming west southwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
 
 Snow likely before 11am. Mostly cloudy, with a high near 33. West northwest wind 3 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
 
 Mostly cloudy, with a low around 21. Southwest wind 7 to 17 mph, with gusts as high as 25 mph.
Sunday
 
 Partly sunny, with a high near 42. Southwest wind 16 to 18 mph, with gusts as high as 30 mph.
Sunday Night
 
 Mostly cloudy, with a low around 34. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 37 mph.
Monday
 
 Mostly sunny, with a high near 44. Southwest wind 18 to 21 mph, with gusts as high as 32 mph.
Monday Night
 
 A slight chance of rain after 11pm. Mostly cloudy, with a low around 36. Breezy.
Tuesday
 
 A chance of rain. Mostly cloudy, with a high near 48. Breezy.
Tuesday Night
 
 A chance of rain and snow. Mostly cloudy, with a low around 31.
Wednesday
 
 A chance of rain and snow. Mostly cloudy, with a high near 45.
Wednesday Night
 
 A chance of rain and snow. Mostly cloudy, with a low around 31.
Thursday
 
 A chance of rain and snow. Mostly cloudy, with a high near 46.

 

Forecast from NOAA-NWS for Malmstrom Afb MT.