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

5°F

-15°C

Humidity 71%
Wind Speed SSW 12 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-11°F (-24°C)
Last update 28 Dec 07:35 AM MST
Extended Forecast for

9 Miles S Ulm MT

  • Today

    Today: Sunny, with a high near 25. Wind chill values as low as -15. South southwest wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 25 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 19. South wind 13 to 16 mph, with gusts as high as 23 mph.

    Low: 19 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38. Southwest wind 16 to 21 mph, with gusts as high as 29 mph.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. South southwest wind 10 to 15 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46. South southwest wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. South southwest wind 11 to 13 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 52. Southwest wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 52 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33. South southwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 33 °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 25. Wind chill values as low as -15. South southwest wind 6 to 15 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 19. South wind 13 to 16 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 38. Southwest wind 16 to 21 mph, with gusts as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 27. South southwest wind 10 to 15 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 46. South southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 33. South southwest wind 11 to 13 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 52. Southwest wind 11 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly cloudy, with a low around 33. South southwest wind around 10 mph, with gusts as high as 18 mph.
New Year's Day
Partly sunny, with a high near 51.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 49.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Ulm MT
 47.31°N 111.49°W (Elev. 3599 ft)
Last Update:
3:27 am MST Dec 28, 2025
Forecast Valid:
7am MST Dec 28, 2025-6pm MST Jan 3, 2026
 
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Additional Resources

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