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

Great Falls, Great Falls International Airport (KGTF)

Lat: 47.47333°NLon: 111.38222°WElev: 3675.0ft.

Clear

34°F

1°C

Humidity 74%
Wind Speed S 6 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 10 Apr 07:53 AM MDT
Extended Forecast for

Great Falls International Airport MT

  • Today

    Today: Mostly sunny, with a high near 66. Light and variable wind becoming east northeast 5 to 10 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. East northeast wind 5 to 11 mph becoming west southwest after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 72. Southwest wind 5 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 72 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 42. Southwest wind 10 to 16 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of rain, mainly after noon. Partly sunny, with a high near 59. West southwest wind around 10 mph becoming north northeast in the afternoon.

    High: 59 °F

    Slight Chance
    Rain then
    Chance Rain

  • Sunday Night

    Sunday Night: Rain. Low around 40. Northeast wind 8 to 13 mph becoming north northwest after midnight. Chance of precipitation is 80%.

    Low: 40 °F

    Rain

  • Monday

    Monday: Rain likely, then showers and possibly a thunderstorm after noon. High near 54. West wind 7 to 10 mph. Chance of precipitation is 80%.

    High: 54 °F

    Showers

  • Monday Night

    Monday Night: A chance of rain before midnight. Mostly cloudy, with a low around 37. Southwest wind 9 to 13 mph.

    Low: 37 °F

    Chance Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Breezy.

    High: 57 °F

    Mostly Sunny
    then Sunny
    and Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 66. Light and variable wind becoming east northeast 5 to 10 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 40. East northeast wind 5 to 11 mph becoming west southwest after midnight.
Saturday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 72. Southwest wind 5 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Saturday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 42. Southwest wind 10 to 16 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday
A 50 percent chance of rain, mainly after noon. Partly sunny, with a high near 59. West southwest wind around 10 mph becoming north northeast in the afternoon.
Sunday Night
Rain. Low around 40. Northeast wind 8 to 13 mph becoming north northwest after midnight. Chance of precipitation is 80%.
Monday
Rain likely, then showers and possibly a thunderstorm after noon. High near 54. West wind 7 to 10 mph. Chance of precipitation is 80%.
Monday Night
A chance of rain before midnight. Mostly cloudy, with a low around 37. Southwest wind 9 to 13 mph.
Tuesday
Mostly sunny, with a high near 57. Breezy.
Tuesday Night
Mostly cloudy, with a low around 40. Breezy.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 53. Breezy.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Breezy.
Thursday
A chance of snow. Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls International Airport MT
 47.49°N 111.37°W (Elev. 3635 ft)
Last Update:
4:31 am MDT Apr 10, 2026
Forecast Valid:
8am MDT Apr 10, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation