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

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

48°F

9°C

Humidity 27%
Wind Speed SW 23 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 30 Dec 12:53 PM MST
Extended Forecast for

Great Falls MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 48. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 48 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 32. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 53. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 53 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. Southwest wind 9 to 11 mph.

    Low: 28 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 48. Southwest wind around 7 mph.

    High: 48 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34. South southwest wind around 8 mph.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 52. Southwest wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 52 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36. South southwest wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 48. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 32. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 53. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 28. Southwest wind 9 to 11 mph.
New Year's Day
Partly sunny, with a high near 48. Southwest wind around 7 mph.
Thursday Night
Mostly cloudy, with a low around 34. South southwest wind around 8 mph.
Friday
Mostly cloudy, with a high near 52. Southwest wind 9 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 36. South southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Saturday
Partly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly 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:
10:12 am MST Dec 30, 2025
Forecast Valid:
1pm MST Dec 30, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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