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

36°F

2°C

Humidity 69%
Wind Speed SSW 9 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 01 May 05:20 AM MDT
Extended Forecast for

Great Falls International Airport MT

  • Today

    Today: Sunny, with a high near 73. Southwest wind 9 to 15 mph, with gusts as high as 20 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. West southwest wind 7 to 13 mph.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 68. West wind 6 to 8 mph becoming north northeast in the afternoon.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 41. Northeast wind 6 to 10 mph.

    Low: 41 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 72. West southwest wind 6 to 9 mph becoming north northwest in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41. North northwest wind 8 to 10 mph becoming south southwest after midnight.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 64. West northwest wind 7 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 21 mph.

    High: 64 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of rain. Mostly cloudy, with a low around 37. Northeast wind 5 to 14 mph, with gusts as high as 21 mph.

    Low: 37 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A slight chance of rain after noon. Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny
    then Slight
    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 73. Southwest wind 9 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 38. West southwest wind 7 to 13 mph.
Saturday
Partly sunny, with a high near 68. West wind 6 to 8 mph becoming north northeast in the afternoon.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 41. Northeast wind 6 to 10 mph.
Sunday
Mostly sunny, with a high near 72. West southwest wind 6 to 9 mph becoming north northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 41. North northwest wind 8 to 10 mph becoming south southwest after midnight.
Monday
Partly sunny, with a high near 64. West northwest wind 7 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 21 mph.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 37. Northeast wind 5 to 14 mph, with gusts as high as 21 mph.
Tuesday
A slight chance of rain after noon. Mostly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls International Airport MT
 47.46°N 111.4°W (Elev. 3599 ft)
Last Update:
2:41 am MDT May 1, 2026
Forecast Valid:
5am MDT May 1, 2026-6pm MDT May 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation