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

27°F

-3°C

Humidity 84%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 19 Jan 03:06 PM PST
Extended Forecast for

12 Miles SW Winthrop WA

Air Stagnation Advisory January 19, 03:40pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 03:40pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 40. Calm wind.

    High: 40 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. Calm wind.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. Calm wind.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 40. Calm wind.
Tuesday Night
Mostly clear, with a low around 24. Calm wind.
Wednesday
Mostly sunny, with a high near 37. Calm wind.
Wednesday Night
Partly cloudy, with a low around 25. Calm wind.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Sunny, with a high near 35.
Friday Night
Mostly clear, with a low around 21.
Saturday
A 20 percent chance of snow after 10am. Mostly sunny, with a high near 34.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 24.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 35.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Monday
A chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SW Winthrop WA
 48.37°N 120.41°W (Elev. 2887 ft)
3:11 pm PST Jan 19, 2026
3pm PST Jan 19, 2026-6pm PST Jan 26, 2026
 
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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