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 26%
Wind Speed ENE 10 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 10 Apr 07:53 PM MDT
Extended Forecast for

Great Falls International Airport MT

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 44. Southwest wind around 7 mph.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 72. South southwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 72 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 39. Breezy, with a southwest wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 30 mph.

    Low: 39 °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 around 10 mph becoming northeast in the afternoon.

    High: 58 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Rain. Low around 39. East northeast wind 9 to 11 mph becoming west after midnight. Chance of precipitation is 80%.

    Low: 39 °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 21 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 38. Southwest wind 14 to 16 mph, with gusts as high as 23 mph.

    Low: 38 °F

    Chance Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Breezy, with a southwest wind 17 to 26 mph, with gusts as high as 37 mph.

    High: 57 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. Breezy.

    Low: 40 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 44. Southwest wind around 7 mph.
Saturday
A 50 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 72. South southwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A 40 percent chance of showers, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 39. Breezy, with a southwest wind 17 to 22 mph decreasing to 9 to 14 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 around 10 mph becoming northeast in the afternoon.
Sunday Night
Rain. Low around 39. East northeast wind 9 to 11 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 21 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 38. Southwest wind 14 to 16 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 57. Breezy, with a southwest wind 17 to 26 mph, with gusts as high as 37 mph.
Tuesday Night
Mostly cloudy, with a low around 40. Breezy.
Wednesday
A chance of rain after noon. Mostly cloudy, with a high near 56. Breezy.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. 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 24.
Friday
A slight chance of snow. Mostly sunny, with a high near 47.
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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:
12:32 am MDT Apr 11, 2026
Forecast Valid:
3am 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