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 0 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 01 Jan 09:25 PM PST
Extended Forecast for

Chinook Pass WA

Winter Weather Advisory January 1, 10:19pm until January 2, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 1, 10:19pm until January 2, 07:00am

    NOW until 7:00am Fri

    Winter Weather Advisory

  • Tonight

    Low: 37 °F

    Rain then
    Rain/Snow

  • Friday

    Friday: Rain and snow, becoming all rain after 7am. High near 35. South wind 5 to 7 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 35 °F

    Rain/Snow
    then Rain

  • Friday Night

    Friday Night: Rain. Steady temperature around 35. Southeast wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain

  • Saturday

    Saturday: Rain and snow. High near 34. South wind around 8 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Rain/Snow

  • Saturday Night

    Saturday Night: Snow. Low around 30. South wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 30 °F

    Snow

  • Sunday

    Sunday: Snow. High near 32. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 32 °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 before 4am, then rain and snow. Steady temperature around 37. South wind around 5 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
Rain and snow, becoming all rain after 7am. High near 35. South wind 5 to 7 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
Rain. Steady temperature around 35. Southeast wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain and snow. High near 34. South wind around 8 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Saturday Night
Snow. Low around 30. South wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow. High near 32. Chance of precipitation is 90%. New snow accumulation of 1 to 3 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 22.
Tuesday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 28.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 24.
Wednesday
Snow likely. Mostly cloudy, with a high near 27.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 19.
Thursday
A chance of snow. Partly sunny, with a high near 25.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.87°N 121.53°W (Elev. 4823 ft)
Last Update:
9:15 pm PST Jan 1, 2026
Forecast Valid:
10pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation