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

Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

NCSB (NCSW1)

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

NA

18°F

-8°C

Humidity 87%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Last update 29 Dec 10:06 PM PST
Extended Forecast for

5 Miles ESE 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

  • Tonight

    Low: 19 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 29. Light and variable wind.

    High: 29 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. Light northwest wind.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32. Calm wind.

    High: 32 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 31.

    High: 31 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 22.

    Low: 22 °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 30. Chance of precipitation is 50%.

    High: 30 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 19. Light northwest wind.
Tuesday
Partly sunny, with a high near 29. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 21. Light northwest wind.
Wednesday
Mostly sunny, with a high near 32. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 23. Calm wind.
New Year's Day
Mostly cloudy, with a high near 31.
Thursday Night
A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 22.
Friday
A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 30. Chance of precipitation is 50%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 32.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 29.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Winthrop WA
 48.45°N 120.08°W (Elev. 3304 ft)
Last Update:
7:37 pm PST Dec 29, 2025
Forecast Valid:
10pm PST Dec 29, 2025-6pm PST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation