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

Tracking Winter Storm and Severe Weather Impacts Through This Weekend

Heavy mountain snow will continue into Thursday afternoon across the Cascades. Two fast moving storms will track from the southern Rockies to the Great Lakes Thursday and then Friday into Sunday with areas of gusty winds, and heavy snow. In the Southeast U.S., severe thunderstorms and heavy to excessive rainfall are forecast on Friday. Read More >

Current conditions at

Sieben I-15 MP 216 (MTSBN)

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

NA

21°F

-6°C

Humidity 72%
Wind Speed SSE 1 MPH
Barometer NA
Dewpoint 13°F (-11°C)
Visibility NA
Last update 07 Jan 11:30 PM MST
Extended Forecast for

8 Miles WSW Marysville MT

  • Tonight

    Tonight: A 30 percent chance of snow showers, mainly after 5am. Increasing clouds, with a low around 14. Southwest wind 8 to 10 mph, with gusts as high as 18 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow
    Showers

  • Thursday

    Thursday: A slight chance of snow showers before 8am, then a chance of snow after 11am. Patchy blowing snow after 11am. Partly sunny, with a high near 19. Wind chill values as low as -5. Breezy, with a west wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 19 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly before 11pm. Areas of blowing snow before 11pm. Mostly cloudy, with a low around 14. Wind chill values as low as -5. Breezy, with a west wind 18 to 22 mph, with gusts as high as 40 mph. New snow accumulation of 1 to 2 inches possible.

    Low: 14 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Friday

    Friday: A 30 percent chance of snow. Mostly cloudy, with a high near 22. Wind chill values as low as zero. West wind 15 to 18 mph, with gusts as high as 34 mph. New snow accumulation of less than a half inch possible.

    High: 22 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. West wind 16 to 18 mph, with gusts as high as 36 mph.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 30. West southwest wind around 14 mph, with gusts as high as 26 mph.

    High: 30 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22. West southwest wind around 11 mph, with gusts as high as 21 mph.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 33. Southwest wind around 11 mph, with gusts as high as 23 mph.

    High: 33 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of snow showers, mainly after 5am. Increasing clouds, with a low around 14. Southwest wind 8 to 10 mph, with gusts as high as 18 mph. Total nighttime snow accumulation of less than a half inch possible.
Thursday
A slight chance of snow showers before 8am, then a chance of snow after 11am. Patchy blowing snow after 11am. Partly sunny, with a high near 19. Wind chill values as low as -5. Breezy, with a west wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday Night
A 40 percent chance of snow, mainly before 11pm. Areas of blowing snow before 11pm. Mostly cloudy, with a low around 14. Wind chill values as low as -5. Breezy, with a west wind 18 to 22 mph, with gusts as high as 40 mph. New snow accumulation of 1 to 2 inches possible.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 22. Wind chill values as low as zero. West wind 15 to 18 mph, with gusts as high as 34 mph. New snow accumulation of less than a half inch possible.
Friday Night
Mostly cloudy, with a low around 20. West wind 16 to 18 mph, with gusts as high as 36 mph.
Saturday
Partly sunny, with a high near 30. West southwest wind around 14 mph, with gusts as high as 26 mph.
Saturday Night
Mostly cloudy, with a low around 22. West southwest wind around 11 mph, with gusts as high as 21 mph.
Sunday
Partly sunny, with a high near 33. Southwest wind around 11 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 34.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 30.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WSW Marysville MT
 46.72°N 112.44°W (Elev. 6440 ft)
Last Update:
9:52 pm MST Jan 7, 2026
Forecast Valid:
11pm MST Jan 7, 2026-6pm MST Jan 14, 2026
 
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Additional Resources

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