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

33°F

1°C

Humidity 100%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 03 Jan 08:06 PM PST
Extended Forecast for

4 Miles W Winthrop WA

  • Tonight

    Tonight: Rain and snow before 5am, then a chance of rain. Patchy freezing fog before midnight, then patchy freezing fog after 3am. Low around 31. Calm wind becoming west around 5 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow and
    Patchy
    Freezing Fog

  • Sunday

    Sunday: Rain and snow likely, mainly before 1pm. Patchy fog between 9am and 11am. Patchy freezing fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 36. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Rain/Snow
    Likely and
    Patchy
    Freezing Fog

  • Sunday Night

    Sunday Night: A 50 percent chance of snow, mainly before 4am. Patchy freezing fog. Mostly cloudy, with a low around 23. Light west wind. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    and Patchy
    Freezing Fog

  • Monday

    Monday: A 20 percent chance of snow before 10am. Patchy freezing fog before 11am. Mostly sunny, with a high near 33. Calm wind.

    High: 33 °F

    Slight Chance
    Snow and
    Patchy
    Freezing Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow after 4am. Patchy freezing fog before midnight, then patchy freezing fog after 3am. Mostly cloudy, with a low around 20. Light west wind. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Patchy
    Freezing Fog
    then Chance
    Snow and
    Patchy
    Freezing Fog

  • Tuesday

    Tuesday: Snow, mainly after 10am. Patchy freezing fog before 10am. High near 29. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 29 °F

    Snow and
    Patchy
    Freezing Fog

  • Tuesday Night

    Tuesday Night: Snow, mainly before 10pm. Low around 19. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Snow then
    Chance Snow

  • Wednesday

    Wednesday: A 40 percent chance of snow. Partly sunny, with a high near 29.

    High: 29 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow

Detailed Forecast

Tonight
Rain and snow before 5am, then a chance of rain. Patchy freezing fog before midnight, then patchy freezing fog after 3am. Low around 31. Calm wind becoming west around 5 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Rain and snow likely, mainly before 1pm. Patchy fog between 9am and 11am. Patchy freezing fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 36. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
A 50 percent chance of snow, mainly before 4am. Patchy freezing fog. Mostly cloudy, with a low around 23. Light west wind. New snow accumulation of less than a half inch possible.
Monday
A 20 percent chance of snow before 10am. Patchy freezing fog before 11am. Mostly sunny, with a high near 33. Calm wind.
Monday Night
A 30 percent chance of snow after 4am. Patchy freezing fog before midnight, then patchy freezing fog after 3am. Mostly cloudy, with a low around 20. Light west wind. New snow accumulation of less than a half inch possible.
Tuesday
Snow, mainly after 10am. Patchy freezing fog before 10am. High near 29. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Tuesday Night
Snow, mainly before 10pm. Low around 19. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
A 40 percent chance of snow. Partly sunny, with a high near 29.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 18.
Thursday
A 40 percent chance of snow. Partly sunny, with a high near 29.
Thursday Night
A 30 percent chance of snow. Partly cloudy, with a low around 16.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 32.
Friday Night
Patchy freezing fog. Mostly cloudy, with a low around 19.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 33.
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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:
8:43 pm PST Jan 3, 2026
Forecast Valid:
8pm PST Jan 3, 2026-6pm PST Jan 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation