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

27°F

-3°C

Humidity 88%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 02 Jan 12:06 AM PST
Extended Forecast for

4 Miles W Winthrop WA

  • Overnight

    Overnight: A 50 percent chance of snow. Mostly cloudy, with a low around 25. Calm wind. Total nighttime snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow after 4pm. Mostly cloudy, with a high near 31. Calm wind. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow before 9pm, then a chance of rain, snow, and freezing rain between 9pm and 10pm, then snow likely after 10pm. Cloudy, with a low around 30. Calm wind. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Wintry Mix
    Likely then
    Snow Likely

  • Saturday

    Saturday: Snow before 10am, then rain and snow between 10am and 1pm, then rain after 1pm. 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

  • Saturday Night

    Saturday Night: Rain likely before 7pm, then rain, possibly mixed with snow between 7pm and 1am, then rain after 1am. Low around 31. Calm wind. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain/Snow

  • Sunday

    Sunday: Rain likely before 10am, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 35. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 35 °F

    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Monday

    Monday: A 20 percent chance of snow before 4pm. Partly sunny, with a high near 34.

    High: 34 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow, mainly after 4am. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow

Detailed Forecast

Overnight
A 50 percent chance of snow. Mostly cloudy, with a low around 25. Calm wind. Total nighttime snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow after 4pm. Mostly cloudy, with a high near 31. Calm wind. New snow accumulation of less than a half inch possible.
Friday Night
A chance of snow before 9pm, then a chance of rain, snow, and freezing rain between 9pm and 10pm, then snow likely after 10pm. Cloudy, with a low around 30. Calm wind. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Saturday
Snow before 10am, then rain and snow between 10am and 1pm, then rain after 1pm. High near 35. Calm wind. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Saturday Night
Rain likely before 7pm, then rain, possibly mixed with snow between 7pm and 1am, then rain after 1am. Low around 31. Calm wind. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday
Rain likely before 10am, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 35. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday Night
A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Monday
A 20 percent chance of snow before 4pm. Partly sunny, with a high near 34.
Monday Night
A 30 percent chance of snow, mainly after 4am. Mostly cloudy, with a low around 22.
Tuesday
Snow, mainly after 10am. High near 31. Chance of precipitation is 80%.
Tuesday Night
Snow. Low around 21. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of snow. Partly sunny, with a high near 31.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18.
Thursday
A 30 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 W Winthrop WA
 48.47°N 120.25°W (Elev. 2743 ft)
Last Update:
12:28 am PST Jan 2, 2026
Forecast Valid:
1am PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation