Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

NCSB (NCSW1)

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

NA

25°F

-4°C

Humidity 86%
Wind Speed NW 3 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 19 Jan 11:06 PM PST
Extended Forecast for

3 Miles NW Winthrop WA

Air Stagnation Advisory January 19, 11:48pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 11:48pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 21 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 35. Calm wind.

    High: 35 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Clear

  • 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 22. Calm wind.

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 21. Calm wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 35. Calm wind.
Tuesday Night
Mostly clear, 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 22. Calm wind.
Thursday
Partly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 33.
Friday Night
Mostly clear, with a low around 19.
Saturday
A 20 percent chance of snow after 10am. Mostly sunny, with a high near 31.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 32. Chance of precipitation is 40%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Monday
A chance of rain and snow. Partly sunny, with a high near 35. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Winthrop WA
 48.52°N 120.23°W (Elev. 2520 ft)
9:02 pm PST Jan 19, 2026
11pm PST Jan 19, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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