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

Malmstrom Air Force Base (KGFA)

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

Clear

49°F

9°C

Humidity 51%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 18 Oct 07:55 PM MDT
Extended Forecast for

Great Falls MT

  • Tonight

    Tonight: Partly cloudy, with a low around 38. East northeast wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 72. Calm wind becoming southwest around 5 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Light and variable wind.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. Light and variable wind becoming west around 5 mph.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70. Calm wind becoming south around 5 mph in the afternoon.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. Light and variable wind becoming south southwest 5 to 7 mph in the evening.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 72. South southwest wind around 6 mph.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of rain, mainly after midnight. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. East northeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 72. Calm wind becoming southwest around 5 mph.
Monday Night
Mostly cloudy, with a low around 40. Light and variable wind.
Tuesday
Mostly sunny, with a high near 58. Light and variable wind becoming west around 5 mph.
Tuesday Night
Partly cloudy, with a low around 37. Calm wind.
Wednesday
Sunny, with a high near 70. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 45. Light and variable wind becoming south southwest 5 to 7 mph in the evening.
Thursday
Mostly sunny, with a high near 72. South southwest wind around 6 mph.
Thursday Night
A chance of rain, mainly after midnight. Mostly cloudy, with a low around 46.
Friday
Rain likely. Cloudy, with a high near 52.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
A slight chance of rain and snow. Partly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.52°N 111.28°W (Elev. 3399 ft)
Last Update:
12:31 pm MDT Oct 18, 2026
Forecast Valid:
8pm MDT Oct 18, 2026-6pm MDT Oct 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation