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 MT

  • This Afternoon

    This Afternoon: A chance of showers between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 72. West southwest wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 72 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 39. Southwest wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 39 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers, mainly after 5pm. Mostly sunny, with a high near 59. West southwest wind 6 to 10 mph becoming east northeast in the afternoon.

    High: 59 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Rain. Low around 40. East northeast wind 6 to 10 mph becoming north northwest after midnight. Chance of precipitation is 90%.

    Low: 40 °F

    Rain

  • Monday

    Monday: Rain. High near 56. West southwest wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 56 °F

    Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 39. West southwest wind around 14 mph, with gusts as high as 21 mph.

    Low: 39 °F

    Chance Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. Breezy, with a southwest wind 14 to 24 mph, with gusts as high as 36 mph.

    High: 60 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. Southwest wind 11 to 21 mph, with gusts as high as 32 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain after noon. Mostly cloudy, with a high near 55. Breezy.

    High: 55 °F

    Mostly Cloudy
    then Chance
    Rain and
    Breezy

Detailed Forecast

This Afternoon
A chance of showers between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 72. West southwest wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 39. Southwest wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Sunday
A 40 percent chance of showers, mainly after 5pm. Mostly sunny, with a high near 59. West southwest wind 6 to 10 mph becoming east northeast in the afternoon.
Sunday Night
Rain. Low around 40. East northeast wind 6 to 10 mph becoming north northwest after midnight. Chance of precipitation is 90%.
Monday
Rain. High near 56. West southwest wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 39. West southwest wind around 14 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 60. Breezy, with a southwest wind 14 to 24 mph, with gusts as high as 36 mph.
Tuesday Night
Mostly cloudy, with a low around 40. Southwest wind 11 to 21 mph, with gusts as high as 32 mph.
Wednesday
A chance of rain after noon. Mostly cloudy, with a high near 55. Breezy.
Wednesday Night
Rain likely before 9pm, then rain and snow likely between 9pm and 3am, then snow likely after 3am. Mostly cloudy, with a low around 26.
Thursday
Snow likely. Mostly cloudy, with a high near 38.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 19.
Friday
A slight chance of snow. Partly sunny, with a high near 45.
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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:
12:32 pm MDT Apr 11, 2026
Forecast Valid:
12pm 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