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 >

Hazardous Weather Conditions

Current conditions at

SAWMILL FLATS (MEFW1)

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

NA

29°F

-2°C

Humidity 99%
Wind Speed ENE 1 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 01 Jan 05:25 PM PST
Extended Forecast for

Chinook Pass WA

Winter Weather Advisory January 1, 06:38pm until January 2, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 1, 06:38pm until January 2, 04:00am

    NOW until 4:00am Fri

    Winter Weather Advisory

  • Tonight

    Low: 34 °F⇑

    Rain/Snow

  • Friday

    Friday: Rain and snow before 10am, then rain likely between 10am and 4pm, then rain, possibly mixed with snow after 4pm. High near 35. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 35 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain, possibly mixed with snow, becoming all rain after 4am. Steady temperature around 34. Southeast wind 8 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Rain/Snow

  • Saturday

    Saturday: Rain before 7am, then rain and snow. High near 33. South wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Rain/Snow

  • Saturday Night

    Saturday Night: Snow. Low around 29. Southeast wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 29 °F

    Snow

  • Sunday

    Sunday: Snow. High near 31. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 31 °F

    Snow

  • Sunday Night

    Sunday Night: Snow. Low around 26. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Snow

  • Monday

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

    High: 29 °F

    Snow Likely

Detailed Forecast

Tonight
Rain and snow likely before 7pm, then rain between 7pm and 4am, then rain and snow after 4am. Temperature rising to around 37 by 5am. Southwest wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
Rain and snow before 10am, then rain likely between 10am and 4pm, then rain, possibly mixed with snow after 4pm. High near 35. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
Rain, possibly mixed with snow, becoming all rain after 4am. Steady temperature around 34. Southeast wind 8 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
Rain before 7am, then rain and snow. High near 33. South wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Saturday Night
Snow. Low around 29. Southeast wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow. High near 31. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow. Low around 26. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday
Snow likely, mainly before 10am. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 21.
Tuesday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 28.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 23.
Wednesday
Snow likely. Mostly cloudy, with a high near 26.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 18.
Thursday
A chance of snow. Partly sunny, with a high near 25.
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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:
4:00 pm PST Jan 1, 2026
Forecast Valid:
6pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation