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

45°F

7°C

Humidity 45%
Wind Speed SSW 10 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 19 Apr 08:15 AM MDT
Extended Forecast for

Great Falls MT

  • Today

    Today: Sunny, with a high near 70. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. West southwest wind 5 to 10 mph.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 77. West southwest wind 3 to 7 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. South wind 5 to 9 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 81. South southwest wind 3 to 7 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 48. East southeast wind 6 to 9 mph.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 71. Southwest wind 6 to 11 mph becoming northwest 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 71 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Rain before 3am, then rain and snow. Cloudy, with a low around 33. Breezy, with a north northwest wind 21 to 24 mph, with gusts as high as 31 mph.

    Low: 33 °F

    Breezy. Rain
    then
    Rain/Snow

  • Thursday

    Thursday: Snow likely, mainly before noon. Mostly cloudy, with a high near 46. Breezy.

    High: 46 °F

    Snow Likely
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 70. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 39. West southwest wind 5 to 10 mph.
Monday
Sunny, with a high near 77. West southwest wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 42. South wind 5 to 9 mph.
Tuesday
Sunny, with a high near 81. South southwest wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 48. East southeast wind 6 to 9 mph.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 71. Southwest wind 6 to 11 mph becoming northwest 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
Rain before 3am, then rain and snow. Cloudy, with a low around 33. Breezy, with a north northwest wind 21 to 24 mph, with gusts as high as 31 mph.
Thursday
Snow likely, mainly before noon. Mostly cloudy, with a high near 46. Breezy.
Thursday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 28.
Friday
A chance of snow. Partly sunny, with a high near 45.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
A slight chance of snow. Partly sunny, with a high near 47.
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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:
3:32 am MDT Apr 19, 2026
Forecast Valid:
8am MDT Apr 19, 2026-6pm MDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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