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

14°F

-10°C

Humidity 89%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 11°F (-12°C)
Visibility NA
Last update 30 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

    Patchy
    Freezing Fog

  • Tuesday

    Tuesday: Areas of freezing fog before 9am. Partly sunny, with a high near 31. Light north wind.

    High: 31 °F

    Areas
    Freezing Fog
    then Partly
    Sunny

  • Tuesday Night

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

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34. Calm wind.

    High: 34 °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 34.

    High: 34 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after 10pm. Mostly cloudy, with a low around 25. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow

  • Friday

    Friday: A chance of snow before 10am, then rain likely. Mostly cloudy, with a high near 33. Chance of precipitation is 60%.

    High: 33 °F

    Rain/Snow
    Likely then
    Rain Likely

Detailed Forecast

Overnight
Patchy freezing fog after 1am. Partly cloudy, with a low around 19. Calm wind.
Tuesday
Areas of freezing fog before 9am. Partly sunny, with a high near 31. Light north wind.
Tuesday Night
Partly cloudy, with a low around 20. Calm wind.
Wednesday
Mostly sunny, with a high near 34. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 23. Calm wind.
New Year's Day
Mostly cloudy, with a high near 34.
Thursday Night
A 30 percent chance of snow after 10pm. Mostly cloudy, with a low around 25. New snow accumulation of less than a half inch possible.
Friday
A chance of snow before 10am, then rain likely. Mostly cloudy, with a high near 33. Chance of precipitation is 60%.
Friday Night
Rain likely, possibly mixed with snow, mainly before 10pm. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 50%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Sunday
A chance of rain and snow. Partly sunny, with a high near 32. 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 40%.
Basemap Options
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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:
7:37 pm PST Dec 29, 2025
Forecast Valid:
12am PST Dec 30, 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