National Weather Service Forecast for: Malmstrom Afb MT
Issued by: National Weather Service Great Falls, MT
Updated: 2:09 pm MDT Jun 9, 2025
 
Tonight

Tonight: Mostly clear, with a low around 56. West southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Mostly Clear

 Tuesday

Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Increasing clouds, with a high near 85. West wind around 6 mph becoming light and variable.
Sunny then
Chance
Showers
 Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 54. Northeast wind 5 to 8 mph becoming south in the evening. Chance of precipitation is 40%.
Chance
T-storms then
Partly Cloudy
 Wednesday

Wednesday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Light and variable wind becoming northeast 5 to 8 mph in the afternoon.
Mostly Sunny
then Chance
Showers
 Wednesday
Night
Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Northeast wind 6 to 10 mph becoming west after midnight. Chance of precipitation is 70%.
Showers
Likely

 Thursday

Thursday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 73. West wind 5 to 7 mph becoming east northeast in the afternoon. Chance of precipitation is 70%.
Chance
Showers then
Showers
Likely
 Thursday
Night
Thursday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 53. East wind 6 to 8 mph becoming south after midnight. Chance of precipitation is 40%.
Chance
Showers

 Friday

Friday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. South southwest wind 5 to 8 mph becoming north northwest in the afternoon.
Mostly Sunny
then Chance
T-storms
 Friday
Night
Friday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 53.
Chance
Showers
Lo 56 °F Hi 85 °F Lo 54 °F Hi 81 °F Lo 56 °F Hi 73 °F Lo 53 °F Hi 79 °F Lo 53 °F

 

Tonight
 
 Mostly clear, with a low around 56. West southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday
 
 A 30 percent chance of showers and thunderstorms, mainly after 5pm. Increasing clouds, with a high near 85. West wind around 6 mph becoming light and variable.
Tuesday Night
 
 A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 54. Northeast wind 5 to 8 mph becoming south in the evening. Chance of precipitation is 40%.
Wednesday
 
 A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Light and variable wind becoming northeast 5 to 8 mph in the afternoon.
Wednesday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Northeast wind 6 to 10 mph becoming west after midnight. Chance of precipitation is 70%.
Thursday
 
 A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 73. West wind 5 to 7 mph becoming east northeast in the afternoon. Chance of precipitation is 70%.
Thursday Night
 
 A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 53. East wind 6 to 8 mph becoming south after midnight. Chance of precipitation is 40%.
Friday
 
 A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. South southwest wind 5 to 8 mph becoming north northwest in the afternoon.
Friday Night
 
 A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 53.
Saturday
 
 A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83.
Saturday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Sunday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Sunday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Monday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 76.

 

Forecast from NOAA-NWS for Malmstrom Afb MT.