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

Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Northeast; Heavy Rain Returns to California

An Alberta clipper will bring lake effect snow downwind of the Great Lakes, with the highest snow totals downwind of Lakes Erie and Ontario. Snow squalls may impact New Year's Eve travel during the evening and overnight hours across parts of the Great Lakes, Ohio Valley, and Northeast. Heavy rain will bring a flash flooding threat for southern California on New Year's Eve into New Year's Day. Read More >

Hazardous Weather Conditions

Current conditions at

NCSB (NCSW1)

Lat: 48.42528°NLon: 120.14194°WElev: 1697.0ft.

NA

16°F

-9°C

Humidity 91%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Last update 31 Dec 12:06 AM PST
Extended Forecast for

3 Miles SSW Winthrop WA

Air Stagnation Advisory until January 1, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until January 1, 12:00pm

    NOW until 12:00pm Thu

    Air Stagnation Advisory

  • Overnight

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. Calm wind.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 33. Calm wind.

    High: 33 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Slight Chance
    Snow

  • Friday

    Friday: A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.

    Low: 27 °F

    Rain Likely

  • Saturday

    Saturday: Rain likely. Mostly cloudy, with a high near 39. Chance of precipitation is 70%.

    High: 39 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 19. Calm wind.
Wednesday
Mostly sunny, with a high near 30. Calm wind.
Wednesday Night
Partly cloudy, with a low around 20. Calm wind.
New Year's Day
Partly sunny, with a high near 33. Calm wind.
Thursday Night
A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 25. Calm wind.
Friday
A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday Night
Rain likely. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.
Saturday
Rain likely. Mostly cloudy, with a high near 39. Chance of precipitation is 70%.
Saturday Night
A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 20%.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Winthrop WA
 48.44°N 120.18°W (Elev. 1814 ft)
Last Update:
8:42 pm PST Dec 30, 2025
Forecast Valid:
1am PST Dec 31, 2025-6pm PST Jan 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation