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

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

Sieben I-15 MP 216 (MTSBN)

Lat: 46.88748267°NLon: 112.1111196°WElev: 4199.0ft.

NA

29°F

-2°C

Humidity 53%
Wind Speed ESE 14 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Wind Chill18°F (-8°C)
Last update 29 Dec 10:45 AM MST
Extended Forecast for

8 Miles WSW Marysville MT

  • Today

    Today: Mostly sunny, with a high near 24. West southwest wind around 14 mph, with gusts as high as 26 mph.

    High: 24 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. West southwest wind around 10 mph, with gusts as high as 18 mph.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24. West southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 35. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 35 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. West southwest wind around 8 mph.

    Low: 24 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 32. West southwest wind around 8 mph.

    High: 32 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27. West southwest wind 7 to 9 mph.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of snow. Mostly cloudy, with a high near 34.

    High: 34 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Mostly sunny, with a high near 24. West southwest wind around 14 mph, with gusts as high as 26 mph.
Tonight
Mostly cloudy, with a low around 21. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 30. West southwest wind around 10 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 24. West southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 35. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 24. West southwest wind around 8 mph.
New Year's Day
Partly sunny, with a high near 32. West southwest wind around 8 mph.
Thursday Night
Mostly cloudy, with a low around 27. West southwest wind 7 to 9 mph.
Friday
A slight chance of snow. Mostly cloudy, with a high near 34.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 27.
Saturday
A chance of snow. Partly sunny, with a high near 33.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WSW Marysville MT
 46.72°N 112.44°W (Elev. 6440 ft)
Last Update:
10:17 am MST Dec 29, 2025
Forecast Valid:
11am MST Dec 29, 2025-6pm MST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation