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 44%
Wind Speed S 14 MPH
Barometer 29.62 in (1003.05 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 11 Apr 09:53 AM MDT
Extended Forecast for

Great Falls International Airport MT

  • Today

    Today: A 50 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 71. West southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 71 °F

    Partly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 38. Breezy, with a southwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 38 °F

    Chance
    Showers and
    Breezy then
    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers after noon. Increasing clouds, with a high near 58. Southwest wind 9 to 11 mph becoming northeast in the afternoon.

    High: 58 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Rain. Low around 37. East northeast wind 9 to 13 mph becoming west after midnight. Chance of precipitation is 80%.

    Low: 37 °F

    Rain

  • Monday

    Monday: Rain likely, possibly mixed with snow before 9am, then rain. High near 56. West southwest wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 56 °F

    Rain/Snow
    Likely then
    Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 36. Southwest wind around 15 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Chance Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. Breezy, with a southwest wind 16 to 26 mph, with gusts as high as 38 mph.

    High: 58 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. Breezy, with a southwest wind 14 to 23 mph, with gusts as high as 34 mph.

    Low: 38 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A chance of rain after noon. Mostly cloudy, with a high near 56. Breezy.

    High: 56 °F

    Mostly Cloudy
    then Chance
    Rain and
    Breezy

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 71. West southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 26 mph.
Tonight
A 40 percent chance of showers, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 38. Breezy, with a southwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Sunday
A 40 percent chance of showers after noon. Increasing clouds, with a high near 58. Southwest wind 9 to 11 mph becoming northeast in the afternoon.
Sunday Night
Rain. Low around 37. East northeast wind 9 to 13 mph becoming west after midnight. Chance of precipitation is 80%.
Monday
Rain likely, possibly mixed with snow before 9am, then rain. High near 56. West southwest wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 36. Southwest wind around 15 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 58. Breezy, with a southwest wind 16 to 26 mph, with gusts as high as 38 mph.
Tuesday Night
Mostly cloudy, with a low around 38. Breezy, with a southwest wind 14 to 23 mph, with gusts as high as 34 mph.
Wednesday
A chance of rain after noon. Mostly cloudy, with a high near 56. Breezy.
Wednesday Night
A chance of rain before 9pm, then a chance of rain and snow between 9pm and midnight, then a chance of snow after midnight. Mostly cloudy, with a low around 27. Breezy.
Thursday
A chance of snow. Partly sunny, with a high near 41.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 22.
Friday
A slight chance of snow. Mostly sunny, with a high near 46.
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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:
3:27 am MDT Apr 11, 2026
Forecast Valid:
10am MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation