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

Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

19°F

-7°C

Humidity 53%
Wind Speed SSW 18 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 28 Dec 10:53 AM MST
Extended Forecast for

Ulm MTSimilar City Names

  • Today

    Today: Sunny, with a high near 26. Southwest wind 10 to 16 mph, with gusts as high as 23 mph.

    High: 26 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 15. South southwest wind around 14 mph, with gusts as high as 20 mph.

    Low: 15 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39. Southwest wind 15 to 21 mph, with gusts as high as 29 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. South southwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 52. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 52 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. Southwest wind 8 to 10 mph.

    Low: 31 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 26. Southwest wind 10 to 16 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 15. South southwest wind around 14 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 39. Southwest wind 15 to 21 mph, with gusts as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 26. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 46. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 32. South southwest wind around 10 mph, with gusts as high as 18 mph.
Wednesday
Partly sunny, with a high near 52. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 31. Southwest wind 8 to 10 mph.
New Year's Day
Partly sunny, with a high near 51.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 50.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
Ulm MTSimilar City Names
 47.43°N 111.51°W (Elev. 3392 ft)
Last Update:
9:56 am MST Dec 28, 2025
Forecast Valid:
11am MST Dec 28, 2025-6pm MST Jan 3, 2026
 
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