National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

NCSB (NCSW1)

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

NA

36°F

2°C

Humidity 70%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 02 Jan 01:06 PM PST
Extended Forecast for

4 Miles SSW Winthrop WA

  • This Afternoon

    This Afternoon: A 30 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 31. Calm wind. Total daytime snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow

  • Tonight

    Tonight: Snow, possibly mixed with freezing rain, becoming all snow after 1am. Low around 28. Calm wind. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Wintry Mix

  • Saturday

    Saturday: Rain and snow, becoming all rain after noon, then gradually ending. High near 35. Calm wind. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Rain/Snow
    then Rain

  • Saturday Night

    Saturday Night: A slight chance of snow before 7pm, then rain and snow between 7pm and 4am, then rain after 4am. Low around 30. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow

  • Sunday

    Sunday: Rain likely before 10am, then rain and snow likely. Mostly cloudy, with a high near 36. Light south wind. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 36 °F

    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: A chance of rain and snow before 10pm, then a slight chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 23 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Monday

    Monday: A 20 percent chance of snow before 10am. Mostly sunny, with a high near 33.

    High: 33 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow after 4am. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: Snow likely, mainly after 10am. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.

    High: 29 °F

    Snow Likely

Detailed Forecast

This Afternoon
A 30 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 31. Calm wind. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, possibly mixed with freezing rain, becoming all snow after 1am. Low around 28. Calm wind. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Saturday
Rain and snow, becoming all rain after noon, then gradually ending. High near 35. Calm wind. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Saturday Night
A slight chance of snow before 7pm, then rain and snow between 7pm and 4am, then rain after 4am. Low around 30. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday
Rain likely before 10am, then rain and snow likely. Mostly cloudy, with a high near 36. Light south wind. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday Night
A chance of rain and snow before 10pm, then a slight chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
A 20 percent chance of snow before 10am. Mostly sunny, with a high near 33.
Monday Night
A 30 percent chance of snow after 4am. Mostly cloudy, with a low around 20.
Tuesday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
Tuesday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 19. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of snow. Partly sunny, with a high near 30.
Wednesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 18.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Winthrop WA
 48.41°N 120.2°W (Elev. 2871 ft)
Last Update:
1:27 pm PST Jan 2, 2026
Forecast Valid:
2pm PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation