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

26°F

-3°C

Humidity 85%
Wind Speed WNW 1 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 19 Jan 02:06 PM PST
Extended Forecast for

Winthrop WA

Air Stagnation Advisory January 19, 02:40pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 02:40pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • M.L.King Day

    High: 27 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 36. Calm wind.

    High: 36 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. Calm wind.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

M.L.King Day
Partly sunny, with a high near 27. Calm wind.
Tonight
Mostly cloudy, with a low around 20. Calm wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 36. Calm wind.
Tuesday Night
Mostly clear, with a low around 19. Calm wind.
Wednesday
Mostly sunny, with a high near 35. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Partly sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 36.
Friday Night
Mostly clear, with a low around 18.
Saturday
A 10 percent chance of rain. Mostly sunny, with a high near 33.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 19. Chance of precipitation is 20%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Winthrop WA
 48.48°N 120.19°W (Elev. 1801 ft)
1:31 pm PST Jan 19, 2026
2pm PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database