National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Malmstrom Air Force Base (KGFA)

Lat: 47.5°NLon: 111.18333°WElev: 3527.0ft.

Overcast

60°F

16°C

Humidity 58%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 19 Sep 02:55 AM MDT
Extended Forecast for

Malmstrom Afb MT

  • Overnight

    Overnight: A 20 percent chance of rain. Mostly cloudy, with a low around 52. Light north northeast wind.

    Low: 52 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 70. Calm wind becoming east northeast 5 to 8 mph in the afternoon.

    High: 70 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, then gradually becoming partly cloudy, with a low around 47. East wind 5 to 8 mph becoming light and variable after midnight.

    Low: 47 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 74. Light and variable wind.

    High: 74 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. East wind 5 to 7 mph becoming south after midnight.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80. South wind 3 to 5 mph.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. South wind 5 to 7 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Southwest wind around 7 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a low around 52. Light north northeast wind.
Saturday
Mostly cloudy, with a high near 70. Calm wind becoming east northeast 5 to 8 mph in the afternoon.
Saturday Night
Cloudy, then gradually becoming partly cloudy, with a low around 47. East wind 5 to 8 mph becoming light and variable after midnight.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 74. Light and variable wind.
Sunday Night
Mostly clear, with a low around 47. East wind 5 to 7 mph becoming south after midnight.
Monday
Sunny, with a high near 80. South wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 50. South wind 5 to 7 mph.
Tuesday
Sunny, with a high near 80. Southwest wind around 7 mph.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Malmstrom Afb MT
 47.52°N 111.19°W (Elev. 3402 ft)
Last Update:
12:31 am MDT Sep 19, 2026
Forecast Valid:
3am MDT Sep 19, 2026-6pm MDT Sep 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation