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.

Overcast

64°F

18°C

Humidity 15%
Wind Speed W 11 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 28 Mar 03:20 PM MDT
Extended Forecast for

Great Falls International Airport MT

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West southwest wind 8 to 14 mph, with gusts as high as 21 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of rain after 5pm. Increasing clouds, with a high near 59. West wind 8 to 17 mph, with gusts as high as 26 mph.

    High: 59 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 34. Southwest wind 10 to 16 mph, with gusts as high as 24 mph.

    Low: 34 °F

    Chance Rain

  • Monday

    Monday: A chance of rain and snow before 9am, then a chance of snow. Mostly cloudy, with a high near 45. Breezy, with a southwest wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 45 °F

    Chance
    Rain/Snow
    then Chance
    Snow and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. Northwest wind 15 to 20 mph becoming north northeast 6 to 11 mph after midnight. Winds could gust as high as 29 mph.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. East wind 5 to 9 mph.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. East wind 7 to 10 mph becoming south after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 59. South wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 59 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West southwest wind 8 to 14 mph, with gusts as high as 21 mph.
Sunday
A 20 percent chance of rain after 5pm. Increasing clouds, with a high near 59. West wind 8 to 17 mph, with gusts as high as 26 mph.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 34. Southwest wind 10 to 16 mph, with gusts as high as 24 mph.
Monday
A chance of rain and snow before 9am, then a chance of snow. Mostly cloudy, with a high near 45. Breezy, with a southwest wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday Night
Partly cloudy, with a low around 17. Northwest wind 15 to 20 mph becoming north northeast 6 to 11 mph after midnight. Winds could gust as high as 29 mph.
Tuesday
Mostly sunny, with a high near 47. East wind 5 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 28. East wind 7 to 10 mph becoming south after midnight.
Wednesday
Partly sunny, with a high near 59. South wind 6 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 35.
Thursday
A chance of rain and snow before noon, then a chance of rain. Mostly cloudy, with a high near 51. Breezy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 26. Blustery.
Friday
A chance of snow. Mostly cloudy, with a high near 45.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 52.
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Forecast Area
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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:
12:31 pm MDT Mar 28, 2026
Forecast Valid:
3pm MDT Mar 28, 2026-6pm MDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation