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

70°F

21°C

Humidity 30%
Wind Speed SW 19 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 05 Jun 10:20 AM MDT
Extended Forecast for

Great Falls International Airport MT

  • Today

    Today: Sunny, with a high near 79. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 49. West wind 5 to 8 mph becoming light and variable after midnight.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 72. Light east wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 72 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. West northwest wind 6 to 9 mph. Chance of precipitation is 50%.

    Low: 46 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after noon. Mostly cloudy, with a high near 59. South southeast wind 5 to 10 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%.

    High: 59 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 40. South southwest wind 17 to 20 mph, with gusts as high as 28 mph.

    Low: 40 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 70. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46. East southeast wind 5 to 10 mph becoming west southwest after midnight. Winds could gust as high as 18 mph.

    Low: 46 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 79. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 49. West wind 5 to 8 mph becoming light and variable after midnight.
Saturday
A 20 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 72. Light east wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. West northwest wind 6 to 9 mph. Chance of precipitation is 50%.
Sunday
Showers likely, mainly after noon. Mostly cloudy, with a high near 59. South southeast wind 5 to 10 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 40. South southwest wind 17 to 20 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 70. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 46. East southeast wind 5 to 10 mph becoming west southwest after midnight. Winds could gust as high as 18 mph.
Tuesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 70.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 46.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 66.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 44.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 62.
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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:
4:11 am MDT Jun 5, 2026
Forecast Valid:
10am MDT Jun 5, 2026-6pm MDT Jun 11, 2026
 
Forecast Discussion
 
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Additional Resources

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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