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 >

Current conditions at

Sieben I-15 MP 216 (MTSBN)

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

NA

32°F

0°C

Humidity 66%
Wind Speed SSE 9 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 27 Dec 02:00 AM MST
Extended Forecast for

8 Miles WSW Marysville MT

Winter Weather Advisory December 27, 02:18am until December 27, 02:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 27, 02:18am until December 27, 02:00pm

    NOW until 2:00pm Sat

    Winter Weather Advisory

  • Overnight

    Low: 13 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Saturday

    Saturday: Snow likely, mainly before 4pm.  Patchy blowing snow before 11am. Mostly cloudy, with a temperature falling to around 4 by 5pm. Wind chill values as low as -15. Breezy, with a west wind 15 to 23 mph, with gusts as high as 33 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 19 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before 11pm.  Partly cloudy, with a steady temperature around 3. Wind chill values as low as -15. West wind 9 to 13 mph, with gusts as high as 18 mph.

    Low: 3 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 15. Wind chill values as low as -15. West wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 15 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 11. West southwest wind 11 to 15 mph, with gusts as high as 24 mph.

    Low: 11 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 23. West southwest wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 23 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 19. West southwest wind around 11 mph, with gusts as high as 22 mph.

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 29. West southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 29 °F

    Partly Sunny

Detailed Forecast

Overnight
Snow likely, mainly before 4am. Areas of blowing snow. Cloudy, with a low around 13. Wind chill values as low as zero. Breezy, with a west southwest wind around 25 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 3 inches possible.
Saturday
Snow likely, mainly before 4pm. Patchy blowing snow before 11am. Mostly cloudy, with a temperature falling to around 4 by 5pm. Wind chill values as low as -15. Breezy, with a west wind 15 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a steady temperature around 3. Wind chill values as low as -15. West wind 9 to 13 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 15. Wind chill values as low as -15. West wind 13 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 11. West southwest wind 11 to 15 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 23. West southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 19. West southwest wind around 11 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 29. West southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 23.
Wednesday
Partly sunny, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 24.
New Year's Day
Mostly cloudy, with a high near 33.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 24.
Friday
A chance of snow. Partly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WSW Marysville MT
 46.72°N 112.44°W (Elev. 6440 ft)
12:47 am MST Dec 27, 2025
2am MST Dec 27, 2025-6pm MST Jan 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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