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

61°F

16°C

Humidity 51%
Wind Speed SE 5 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 17 Jun 09:05 PM MDT
Extended Forecast for

Great Falls International Airport MT

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between 11pm and midnight. Partly cloudy, with a low around 46. East wind 5 to 7 mph becoming light and variable after midnight.

    Low: 46 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 70. Light and variable wind becoming north 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 70 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. North northeast wind 6 to 11 mph becoming light east northeast after midnight. Winds could gust as high as 18 mph.

    Low: 45 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 75. Light east wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. East northeast wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50. Northwest wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 71. Northwest wind 7 to 10 mph.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly between 11pm and midnight. Partly cloudy, with a low around 46. East wind 5 to 7 mph becoming light and variable after midnight.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 70. Light and variable wind becoming north 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 45. North northeast wind 6 to 11 mph becoming light east northeast after midnight. Winds could gust as high as 18 mph.
Juneteenth
Mostly sunny, with a high near 75. Light east wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 50. East northeast wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Saturday
Mostly sunny, with a high near 84. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50. Northwest wind 10 to 13 mph, with gusts as high as 21 mph.
Sunday
Partly sunny, with a high near 71. Northwest wind 7 to 10 mph.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
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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:
12:32 pm MDT Jun 17, 2026
Forecast Valid:
9pm MDT Jun 17, 2026-6pm MDT Jun 24, 2026
 
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Additional Resources

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Chance of Precipitation