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

21°F

-6°C

Humidity 93%
Wind Speed NNW 4 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Wind Chill15°F (-9°C)
Last update 19 Jan 07:06 AM PST
Extended Forecast for

4 Miles SSE Winthrop WA

Air Stagnation Advisory January 19, 08:10am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 08:10am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • M.L.King Day

    High: 36 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 38. Calm wind.

    High: 38 °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 36. Calm wind.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °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 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

M.L.King Day
Sunny, with a high near 36. Calm wind.
Tonight
Mostly cloudy, with a low around 22. Calm wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 38. Calm wind.
Tuesday Night
Mostly clear, with a low around 20. Calm wind.
Wednesday
Mostly sunny, with a high near 36. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Partly sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 20.
Saturday
A slight chance of rain and snow. Mostly sunny, with a high near 34. Chance of precipitation is 20%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Sunday
A chance of rain and snow. Partly sunny, with a high near 34. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Winthrop WA
 48.42°N 120.14°W (Elev. 1706 ft)
2:57 am PST Jan 19, 2026
8am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database