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 MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. East northeast wind 5 to 7 mph becoming light and variable after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 73. Light south southwest wind becoming west southwest 11 to 16 mph in the morning. Winds could gust as high as 24 mph.

    High: 73 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 41. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely then
    Slight Chance
    Rain

  • Sunday

    Sunday: A 40 percent chance of rain after noon. Partly sunny, with a high near 60. West southwest wind around 8 mph becoming north in the afternoon.

    High: 60 °F

    Mostly Sunny
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 39. Northeast wind 6 to 10 mph becoming northwest after midnight. Chance of precipitation is 80%.

    Low: 39 °F

    Rain

  • Monday

    Monday: Rain likely, then showers and possibly a thunderstorm after noon. High near 56. West southwest wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    High: 56 °F

    Showers

  • Monday Night

    Monday Night: A 30 percent chance of rain before midnight. Partly cloudy, with a low around 37. Southwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Chance Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 58. Breezy, with a southwest wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 58 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

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

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. East northeast wind 5 to 7 mph becoming light and variable after midnight.
Saturday
A 50 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 73. Light south southwest wind becoming west southwest 11 to 16 mph in the morning. Winds could gust as high as 24 mph.
Saturday Night
Showers likely before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 41. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Sunday
A 40 percent chance of rain after noon. Partly sunny, with a high near 60. West southwest wind around 8 mph becoming north in the afternoon.
Sunday Night
Rain. Low around 39. Northeast wind 6 to 10 mph becoming northwest after midnight. Chance of precipitation is 80%.
Monday
Rain likely, then showers and possibly a thunderstorm after noon. High near 56. West southwest wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of rain before midnight. Partly cloudy, with a low around 37. Southwest wind around 11 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 58. Breezy, with a southwest wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
A chance of rain after noon. Partly sunny, with a high near 58. Breezy.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 29.
Thursday
A chance of snow. Mostly cloudy, with a high near 44.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 25.
Friday
A slight chance of rain and snow. Mostly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.49°N 111.31°W (Elev. 3399 ft)
Last Update:
8:27 pm MDT Apr 10, 2026
Forecast Valid:
9pm MDT Apr 10, 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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation