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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

Sieben I-15 MP 216 (MTSBN)

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

unknown precip

46°F

8°C

Humidity 69%
Wind Speed NW 11 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 02 Jan 06:15 PM MST
Extended Forecast for

Marysville MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of drizzle after 5pm. Increasing clouds, with a high near 41. South southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 41 °F

    Sunny then
    Chance
    Drizzle

  • Saturday Night

    Saturday Night: A chance of drizzle and snow before 1am, then a chance of drizzle, snow, and freezing rain. Mostly cloudy, with a low around 34. South southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance Wintry
    Mix

  • Sunday

    Sunday: A 20 percent chance of snow after 11am. Mostly sunny, with a high near 41. Southwest wind around 15 mph, with gusts as high as 29 mph.

    High: 41 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 29. Southwest wind 11 to 14 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.

    Low: 29 °F

    Chance Snow

  • Monday

    Monday: A 40 percent chance of snow. Partly sunny, with a high near 35. West southwest wind 10 to 13 mph, with gusts as high as 26 mph. Little or no snow accumulation expected.

    High: 35 °F

    Chance Snow

  • Monday Night

    Monday Night: A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 28. West southwest wind 11 to 20 mph, with gusts as high as 34 mph.

    Low: 28 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. West southwest wind around 21 mph, with gusts as high as 38 mph.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow after 11pm. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Saturday
A chance of drizzle after 5pm. Increasing clouds, with a high near 41. South southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Saturday Night
A chance of drizzle and snow before 1am, then a chance of drizzle, snow, and freezing rain. Mostly cloudy, with a low around 34. South southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 41. Southwest wind around 15 mph, with gusts as high as 29 mph.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 29. Southwest wind 11 to 14 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 35. West southwest wind 10 to 13 mph, with gusts as high as 26 mph. Little or no snow accumulation expected.
Monday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 28. West southwest wind 11 to 20 mph, with gusts as high as 34 mph.
Tuesday
Partly sunny, with a high near 32. West southwest wind around 21 mph, with gusts as high as 38 mph.
Tuesday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 28.
Wednesday
A chance of snow. Partly sunny, with a high near 30.
Wednesday Night
A chance of snow. Partly cloudy, with a low around 20.
Thursday
A chance of snow. Partly sunny, with a high near 26.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 18.
Friday
A slight chance of snow. Mostly sunny, with a high near 26.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marysville MT
 46.75°N 112.29°W (Elev. 5456 ft)
Last Update:
3:38 pm MST Jan 2, 2026
Forecast Valid:
6pm MST Jan 2, 2026-6pm MST Jan 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation