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.

Overcast

37°F

3°C

Humidity 87%
Wind Speed SW 6 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 18 May 01:55 AM MDT
Extended Forecast for

Great Falls MT

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 32. West southwest wind around 5 mph.

    Low: 32 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 53. West southwest wind around 6 mph becoming northeast in the morning.

    High: 53 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Southeast wind around 7 mph becoming south southwest after midnight.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly between noon and 1pm. Mostly sunny, with a high near 64. Southwest wind 8 to 11 mph.

    High: 64 °F

    Mostly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. West wind 5 to 9 mph becoming light southwest.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 62. Southwest wind around 8 mph becoming north in the afternoon. Chance of precipitation is 60%.

    High: 62 °F

    Slight Chance
    Rain then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 37. North wind 5 to 8 mph becoming west after midnight. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

  • Thursday

    Thursday: A slight chance of rain before noon. Mostly sunny, with a high near 65. West northwest wind around 6 mph.

    High: 65 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 32. West southwest wind around 5 mph.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 53. West southwest wind around 6 mph becoming northeast in the morning.
Monday Night
Partly cloudy, with a low around 27. Southeast wind around 7 mph becoming south southwest after midnight.
Tuesday
A 30 percent chance of rain, mainly between noon and 1pm. Mostly sunny, with a high near 64. Southwest wind 8 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 40. West wind 5 to 9 mph becoming light southwest.
Wednesday
Rain likely, mainly between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 62. Southwest wind around 8 mph becoming north in the afternoon. Chance of precipitation is 60%.
Wednesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 37. North wind 5 to 8 mph becoming west after midnight. Chance of precipitation is 60%.
Thursday
A slight chance of rain before noon. Mostly sunny, with a high near 65. West northwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Partly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.52°N 111.28°W (Elev. 3399 ft)
Last Update:
3:31 am MDT May 18, 2026
Forecast Valid:
3am MDT May 18, 2026-6pm MDT May 24, 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