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

23°F

-5°C

Humidity 96%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 02 Jan 06:06 AM PST
Extended Forecast for

Winthrop WA

  • Today

    Today: A slight chance of snow before 4pm, then a chance of rain and snow. Mostly cloudy, with a high near 32. Calm wind. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.

    High: 32 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Tonight

    Tonight: Snow and freezing rain, possibly mixed with rain, mainly after 9pm. Low around 30. Calm wind. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Wintry Mix

  • Saturday

    Saturday: Rain, snow, and freezing rain before 10am, then rain, possibly mixed with snow between 10am and 1pm, then rain after 1pm. High near 37. Calm wind. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Wintry Mix

  • 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 80%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain/Snow

  • Sunday

    Sunday: Rain likely. Mostly cloudy, with a high near 38. Light south wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 38 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of rain before 10pm, then a chance of rain and snow between 10pm and 1am, then a chance of snow after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance
    Rain/Snow

  • Monday

    Monday: A 20 percent chance of snow before 10am. Partly sunny, with a high near 37.

    High: 37 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • 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

  • Tuesday

    Tuesday: Snow likely before 1pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.

    High: 34 °F

    Snow Likely
    then
    Rain/Snow
    Likely

Detailed Forecast

Today
A slight chance of snow before 4pm, then a chance of rain and snow. Mostly cloudy, with a high near 32. Calm wind. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow and freezing rain, possibly mixed with rain, mainly after 9pm. Low around 30. Calm wind. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.
Saturday
Rain, snow, and freezing rain before 10am, then rain, possibly mixed with snow between 10am and 1pm, then rain after 1pm. High near 37. Calm wind. Chance of precipitation is 90%. Little or no ice accumulation expected. 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 80%. Little or no snow accumulation expected.
Sunday
Rain likely. Mostly cloudy, with a high near 38. Light south wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of rain before 10pm, then a chance of rain and snow between 10pm and 1am, then a chance of snow after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Monday
A 20 percent chance of snow before 10am. Partly sunny, with a high near 37.
Monday Night
A 30 percent chance of snow, mainly after 4am. Mostly cloudy, with a low around 22.
Tuesday
Snow likely before 1pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.
Tuesday Night
Rain likely, possibly mixed with snow, becoming all snow after 7pm. Mostly cloudy, with a low around 21. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of snow. Partly sunny, with a high near 33.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
Winthrop WA
 48.48°N 120.19°W (Elev. 1801 ft)
Last Update:
3:52 am PST Jan 2, 2026
Forecast Valid:
7am PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation