National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

Lat: 47.47333°NLon: 111.38222°WElev: 3675.0ft.

Clear

54°F

12°C

Humidity 25%
Wind Speed SSW 13 MPH
Barometer 29.68 in (1005.08 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 01 Jan 02:20 PM MST
Extended Forecast for

Great Falls MT

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 54. Light and variable wind becoming southwest around 5 mph.

    High: 54 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of rain and snow, mainly between 11pm and 4am. Cloudy, with a low around 34. Southwest wind 5 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance
    Rain/Snow

  • Friday

    Friday: Mostly cloudy, with a high near 56. Southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 56 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36. Southwest wind 9 to 18 mph, with gusts as high as 28 mph.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 53. South southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. South southwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 55. South southwest wind 14 to 21 mph, with gusts as high as 33 mph.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

Detailed Forecast

New Year's Day
Partly sunny, with a high near 54. Light and variable wind becoming southwest around 5 mph.
Tonight
A chance of rain and snow, mainly between 11pm and 4am. Cloudy, with a low around 34. Southwest wind 5 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
Mostly cloudy, with a high near 56. Southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Friday Night
Mostly cloudy, with a low around 36. Southwest wind 9 to 18 mph, with gusts as high as 28 mph.
Saturday
Mostly sunny, with a high near 53. South southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 37. South southwest wind around 11 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 55. South southwest wind 14 to 21 mph, with gusts as high as 33 mph.
Sunday Night
Partly cloudy, with a low around 34. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Monday
Partly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 48. Breezy.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 46.
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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:
2:07 pm MST Jan 1, 2026
Forecast Valid:
2pm MST Jan 1, 2026-6pm MST Jan 7, 2026
 
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Additional Resources

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