National Weather Service Forecast for: Malmstrom Afb MT
Issued by: National Weather Service Great Falls, MT
Updated: 1:18 am MST Dec 20, 2025
 
Overnight

Overnight: Mostly clear, with a steady temperature around 30. Breezy, with a west southwest wind 20 to 22 mph, with gusts as high as 31 mph.
Mostly Clear
and Breezy

 Saturday

Saturday: Sunny, with a high near 41. Breezy, with a west southwest wind 20 to 24 mph, with gusts as high as 36 mph.
Sunny and
Breezy

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 27. South southwest wind 11 to 18 mph, with gusts as high as 29 mph.
Partly Cloudy

 Sunday

Sunday: Partly sunny, with a high near 43. South southwest wind 8 to 11 mph.
Partly Sunny

 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 31. South southwest wind around 9 mph.
Mostly Cloudy

 Monday

Monday: A slight chance of rain and snow before 11am. Partly sunny, with a high near 46. West southwest wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Slight Chance
Rain/Snow
then Partly
Sunny
 Monday
Night
Monday Night: Mostly cloudy, with a low around 26. West southwest wind 6 to 9 mph becoming south southeast in the evening.
Mostly Cloudy

 Tuesday

Tuesday: Mostly cloudy, with a high near 47. South southwest wind around 6 mph.
Mostly Cloudy

 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 30.
Mostly Cloudy
Lo 30 °F Hi 41 °F Lo 27 °F Hi 43 °F Lo 31 °F Hi 46 °F Lo 26 °F Hi 47 °F Lo 30 °F

 

Overnight
 
 Mostly clear, with a steady temperature around 30. Breezy, with a west southwest wind 20 to 22 mph, with gusts as high as 31 mph.
Saturday
 
 Sunny, with a high near 41. Breezy, with a west southwest wind 20 to 24 mph, with gusts as high as 36 mph.
Saturday Night
 
 Partly cloudy, with a low around 27. South southwest wind 11 to 18 mph, with gusts as high as 29 mph.
Sunday
 
 Partly sunny, with a high near 43. South southwest wind 8 to 11 mph.
Sunday Night
 
 Mostly cloudy, with a low around 31. South southwest wind around 9 mph.
Monday
 
 A slight chance of rain and snow before 11am. Partly sunny, with a high near 46. West southwest wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday Night
 
 Mostly cloudy, with a low around 26. West southwest wind 6 to 9 mph becoming south southeast in the evening.
Tuesday
 
 Mostly cloudy, with a high near 47. South southwest wind around 6 mph.
Tuesday Night
 
 Mostly cloudy, with a low around 30.
Wednesday
 
 A slight chance of rain and snow. Mostly cloudy, with a high near 48.
Wednesday Night
 
 Mostly cloudy, with a low around 30.
Christmas Day
 
 Mostly sunny, with a high near 47.
Thursday Night
 
 Mostly cloudy, with a low around 29.
Friday
 
 Partly sunny, with a high near 45.

 

Forecast from NOAA-NWS for Malmstrom Afb MT.