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

SAWMILL FLATS (MEFW1)

Lat: 46.9675°NLon: 121.08444°WElev: 3000.0ft.

NA

34°F

1°C

Humidity 100%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 02 Jan 04:25 PM PST
Extended Forecast for

Chinook Pass WA

  • This Afternoon

    This Afternoon: Rain. High near 37. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 37 °F

    Rain

  • Tonight

    Tonight: Rain, possibly mixed with snow before 1am, then snow, possibly mixed with rain and freezing rain. Low around 31. Southeast wind 10 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Wintry Mix

  • Saturday

    Saturday: Snow, possibly mixed with rain, becoming all snow after 1pm. High near 33. South wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 33 °F

    Rain/Snow

  • Saturday Night

    Saturday Night: Snow before 7pm, then snow, possibly mixed with rain between 7pm and 10pm, then snow after 10pm. The snow could be heavy at times. Low around 28. South wind 11 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 28 °F

    Rain/Snow
    then Heavy
    Snow

  • Sunday

    Sunday: Snow. High near 31. Southwest wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 31 °F

    Snow

  • Sunday Night

    Sunday Night: Snow. Low around 23. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 23 °F

    Snow

  • Monday

    Monday: Snow likely, mainly before 10am. Partly sunny, with a high near 27. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 27 °F

    Snow Likely

  • Monday Night

    Monday Night: Snow likely, mainly after 4am. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.

    Low: 20 °F

    Chance Snow
    then Snow
    Likely

  • Tuesday

    Tuesday: Snow. High near 25. Chance of precipitation is 80%.

    High: 25 °F

    Snow

Detailed Forecast

This Afternoon
Rain. High near 37. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, possibly mixed with snow before 1am, then snow, possibly mixed with rain and freezing rain. Low around 31. Southeast wind 10 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Saturday
Snow, possibly mixed with rain, becoming all snow after 1pm. High near 33. South wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Snow before 7pm, then snow, possibly mixed with rain between 7pm and 10pm, then snow after 10pm. The snow could be heavy at times. Low around 28. South wind 11 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Sunday
Snow. High near 31. Southwest wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow. Low around 23. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow likely, mainly before 10am. Partly sunny, with a high near 27. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.
Tuesday
Snow. High near 25. Chance of precipitation is 80%.
Tuesday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 22.
Wednesday
Snow. Mostly cloudy, with a high near 24.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 20.
Thursday
A chance of snow. Partly sunny, with a high near 25.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 19.
Friday
A slight chance of snow. Partly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.88°N 121.5°W (Elev. 4823 ft)
Last Update:
4:55 pm PST Jan 2, 2026
Forecast Valid:
5pm PST Jan 2, 2026-6pm PST Jan 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation