National Weather Service Forecast for: Malmstrom Afb MT
Issued by: National Weather Service Great Falls, MT
Updated: 12:31 am MDT Apr 6, 2026
 
Overnight

Overnight: Mostly cloudy, with a low around 30. Northeast wind 5 to 7 mph becoming calm.
Mostly Cloudy


 Monday

Monday: Partly sunny, with a high near 57. Calm wind becoming east northeast around 6 mph in the afternoon.
Partly Sunny


 Monday
Night
Monday Night: Partly cloudy, with a low around 41. Light and variable wind becoming south southwest 10 to 15 mph in the evening. Winds could gust as high as 23 mph.
Partly Cloudy


 Tuesday

Tuesday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 63. Windy, with a southwest wind 20 to 25 mph increasing to 31 to 36 mph in the afternoon. Winds could gust as high as 49 mph.
Mostly Sunny
and Breezy
then Slight
Chance Rain
and Windy
 Tuesday
Night
Tuesday Night: A chance of rain and snow before 9pm, then a chance of snow between 9pm and midnight. Partly cloudy, with a low around 27. Breezy, with a west wind 21 to 26 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Chance
Rain/Snow and
Breezy then
Partly Cloudy
 Wednesday

Wednesday: Mostly sunny, with a high near 49. West northwest wind 10 to 14 mph, with gusts as high as 20 mph.
Mostly Sunny


 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 27. North wind 6 to 11 mph becoming light and variable after midnight.
Partly Cloudy


 Thursday

Thursday: Mostly sunny, with a high near 54. Calm wind becoming north northeast 5 to 8 mph in the afternoon.
Mostly Sunny


 Thursday
Night
Thursday Night: Mostly clear, with a low around 29.
Mostly Clear
Lo 30 °F Hi 57 °F Lo 41 °F Hi 63 °F Lo 27 °F Hi 49 °F Lo 27 °F Hi 54 °F Lo 29 °F

High Wind Warning
 

Overnight
 
 Mostly cloudy, with a low around 30. Northeast wind 5 to 7 mph becoming calm.
Monday
 
 Partly sunny, with a high near 57. Calm wind becoming east northeast around 6 mph in the afternoon.
Monday Night
 
 Partly cloudy, with a low around 41. Light and variable wind becoming south southwest 10 to 15 mph in the evening. Winds could gust as high as 23 mph.
Tuesday
 
 A 20 percent chance of rain after noon. Mostly sunny, with a high near 63. Windy, with a southwest wind 20 to 25 mph increasing to 31 to 36 mph in the afternoon. Winds could gust as high as 49 mph.
Tuesday Night
 
 A chance of rain and snow before 9pm, then a chance of snow between 9pm and midnight. Partly cloudy, with a low around 27. Breezy, with a west wind 21 to 26 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
 
 Mostly sunny, with a high near 49. West northwest wind 10 to 14 mph, with gusts as high as 20 mph.
Wednesday Night
 
 Partly cloudy, with a low around 27. North wind 6 to 11 mph becoming light and variable after midnight.
Thursday
 
 Mostly sunny, with a high near 54. Calm wind becoming north northeast 5 to 8 mph in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 29.
Friday
 
 Sunny, with a high near 66.
Friday Night
 
 Partly cloudy, with a low around 38.
Saturday
 
 A slight chance of rain. Mostly sunny, with a high near 70.
Saturday Night
 
 A chance of rain. Mostly cloudy, with a low around 39.
Sunday
 
 A chance of rain. Partly sunny, with a high near 60.

 

Forecast from NOAA-NWS for Malmstrom Afb MT.