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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Sieben I-15 MP 216 (MTSBN)

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

unknown precip

29°F

-2°C

Humidity 71%
Wind Speed WNW 13 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Wind Chill19°F (-7°C)
Last update 27 Dec 03:15 AM MST
Extended Forecast for

Marysville MT

Winter Weather Advisory December 27, 03:40am until December 27, 02:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 27, 03:40am until December 27, 02:00pm

    NOW until 2:00pm Sat

    Winter Weather Advisory

  • Overnight

    Low: 18 °F

    Snow and
    Patchy
    Blowing Snow

  • Saturday

    Saturday: Snow. Patchy blowing snow before 2pm. Temperature falling to around 4 by 5pm. Wind chill values as low as -10. Breezy, with a west wind 14 to 23 mph becoming north in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 20 °F⇓

    Snow and
    Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: A 10 percent chance of snow before 7pm. Partly cloudy, with a low around 1. Wind chill values as low as -15. North northwest wind 7 to 9 mph becoming west in the evening.

    Low: 1 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 17. Wind chill values as low as -10. West wind 11 to 15 mph, with gusts as high as 22 mph.

    High: 17 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 16. West southwest wind 13 to 15 mph, with gusts as high as 25 mph.

    Low: 16 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 28. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 28 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24. West southwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 34. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 34 °F

    Partly Sunny

Detailed Forecast

Overnight
Snow. Patchy blowing snow. Low around 18. Breezy, with a west wind around 24 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.
Saturday
Snow. Patchy blowing snow before 2pm. Temperature falling to around 4 by 5pm. Wind chill values as low as -10. Breezy, with a west wind 14 to 23 mph becoming north in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A 10 percent chance of snow before 7pm. Partly cloudy, with a low around 1. Wind chill values as low as -15. North northwest wind 7 to 9 mph becoming west in the evening.
Sunday
Sunny, with a high near 17. Wind chill values as low as -10. West wind 11 to 15 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 16. West southwest wind 13 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 28. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 24. West southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 34. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 27.
New Year's Day
Mostly cloudy, with a high near 38.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 28.
Friday
A chance of snow. Partly sunny, with a high near 36.
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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:
2:42 am MST Dec 27, 2025
Forecast Valid:
3am MST Dec 27, 2025-6pm MST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation