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.

Partly Cloudy

28°F

-2°C

Humidity 81%
Wind Speed NNW 11 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 29 Mar 02:53 AM MDT
Extended Forecast for

Great Falls International Airport MT

  • Overnight

    Overnight: Mostly clear, with a low around 32. Southwest wind around 10 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of rain before 4pm, then a slight chance of rain after 5pm. Partly sunny, with a high near 60. Breezy, with a west wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 20%.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance Rain
    and Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 34. West wind 11 to 17 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Chance Rain

  • Monday

    Monday: A 30 percent chance of snow. Partly sunny, with a high near 46. Breezy, with a west wind 15 to 20 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 40 mph. Little or no snow accumulation expected.

    High: 46 °F

    Chance Snow
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. Blustery, with a northwest wind 18 to 23 mph becoming north northeast 6 to 11 mph after midnight. Winds could gust as high as 26 mph.

    Low: 17 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. East southeast wind 3 to 7 mph.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26. East wind 6 to 13 mph becoming south southwest after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59. South southwest wind 5 to 10 mph.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 32. Southwest wind around 10 mph.
Sunday
A slight chance of rain before 4pm, then a slight chance of rain after 5pm. Partly sunny, with a high near 60. Breezy, with a west wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 20%.
Sunday Night
A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 34. West wind 11 to 17 mph, with gusts as high as 25 mph.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 46. Breezy, with a west wind 15 to 20 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 40 mph. Little or no snow accumulation expected.
Monday Night
Partly cloudy, with a low around 17. Blustery, with a northwest wind 18 to 23 mph becoming north northeast 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Tuesday
Mostly sunny, with a high near 48. East southeast wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 26. East wind 6 to 13 mph becoming south southwest after midnight.
Wednesday
Mostly sunny, with a high near 59. South southwest wind 5 to 10 mph.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 34.
Thursday
Rain likely before 9am, then rain and snow likely between 9am and noon, then rain likely after noon. Mostly cloudy, with a high near 48. Breezy.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 26.
Friday
A chance of snow. Mostly cloudy, with a high near 43.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 53.
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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 am MDT Mar 29, 2026
Forecast Valid:
3am MDT Mar 29, 2026-6pm MDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation