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

46°F

8°C

Humidity 45%
Wind Speed SW 13 MPH
Barometer 29.69 in (1005.42 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 15 Apr 01:35 AM MDT
Extended Forecast for

Great Falls International Airport MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. Southwest wind around 18 mph, with gusts as high as 26 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain after 5pm. Partly sunny, with a high near 59. Breezy, with a southwest wind 18 to 26 mph, with gusts as high as 36 mph.

    High: 59 °F

    Breezy.
    Partly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 10pm, then snow likely, possibly mixed with rain between 10pm and 11pm, then snow likely after 11pm. Mostly cloudy, with a low around 26. West northwest wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Thursday

    Thursday: A 50 percent chance of snow. Partly sunny, with a high near 37. North northwest wind 14 to 17 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 22. North northwest wind 6 to 14 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

    Low: 22 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of snow after noon. Partly sunny, with a high near 45. Southwest wind 6 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph. Little or no snow accumulation expected.

    High: 45 °F

    Mostly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. North northwest wind 7 to 10 mph becoming southwest after midnight.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 57. West southwest wind 10 to 18 mph, with gusts as high as 28 mph.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. Southwest wind around 18 mph, with gusts as high as 26 mph.
Wednesday
A 40 percent chance of rain after 5pm. Partly sunny, with a high near 59. Breezy, with a southwest wind 18 to 26 mph, with gusts as high as 36 mph.
Wednesday Night
A chance of rain before 10pm, then snow likely, possibly mixed with rain between 10pm and 11pm, then snow likely after 11pm. Mostly cloudy, with a low around 26. West northwest wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A 50 percent chance of snow. Partly sunny, with a high near 37. North northwest wind 14 to 17 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 22. North northwest wind 6 to 14 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Friday
A 40 percent chance of snow after noon. Partly sunny, with a high near 45. Southwest wind 6 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 26. North northwest wind 7 to 10 mph becoming southwest after midnight.
Saturday
Sunny, with a high near 57. West southwest wind 10 to 18 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 71.
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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:
12:31 am MDT Apr 15, 2026
Forecast Valid:
1am MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation