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 MT

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West southwest wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of rain after 5pm. Increasing clouds, with a high near 60. South southwest wind 5 to 14 mph, with gusts as high as 23 mph.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 37. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.

    Low: 37 °F

    Chance Rain

  • Monday

    Monday: A chance of rain and snow before 9am, then a chance of snow. Mostly cloudy, with a high near 46. Breezy, with a southwest wind 9 to 14 mph becoming west 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow
    then Chance
    Snow and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. Northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 26 mph.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. East wind 5 to 9 mph becoming south after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61. Light south wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Sunday
A 20 percent chance of rain after 5pm. Increasing clouds, with a high near 60. South southwest wind 5 to 14 mph, with gusts as high as 23 mph.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Monday
A chance of rain and snow before 9am, then a chance of snow. Mostly cloudy, with a high near 46. Breezy, with a southwest wind 9 to 14 mph becoming west 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday Night
Partly cloudy, with a low around 17. Northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 26 mph.
Tuesday
Mostly sunny, with a high near 49. Calm wind becoming east 5 to 7 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 28. East wind 5 to 9 mph becoming south after midnight.
Wednesday
Partly sunny, with a high near 61. Light south wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 37.
Thursday
A chance of rain. Mostly cloudy, with a high near 54. Breezy.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 29.
Friday
A chance of snow. Mostly cloudy, with a high near 46.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.51°N 111.31°W (Elev. 3399 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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High Temperature

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Chance of Precipitation