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

28°F

-2°C

Humidity 99%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 02 Jan 02:25 AM PST
Extended Forecast for

Chinook Pass WA

Winter Weather Advisory January 2, 03:37am until January 2, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 2, 03:37am until January 2, 07:00am

    NOW until 7:00am Fri

    Winter Weather Advisory

  • Overnight

    Low: 36 °F

    Rain/Snow

  • Friday

    Friday: Rain, possibly mixed with snow before 7am, then rain likely between 7am and 4pm, then rain likely, possibly mixed with snow after 4pm. High near 37. Southwest wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 37 °F

    Rain/Snow

  • Friday Night

    Friday Night: Snow likely, possibly mixed with rain. Mostly cloudy, with a low around 33. South wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: Snow, possibly mixed with rain, becoming all snow after 7am. High near 36. South wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Rain/Snow
    then Snow

  • Saturday Night

    Saturday Night: Snow. Low around 30. Southeast wind 11 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: 30 °F

    Snow

  • Sunday

    Sunday: Snow. High near 32. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 32 °F

    Snow

  • Sunday Night

    Sunday Night: Snow. Low around 25. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 25 °F

    Snow

  • Monday

    Monday: Snow likely, mainly before 10am. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.

    High: 30 °F

    Snow Likely

Detailed Forecast

Overnight
Rain, possibly mixed with snow. Steady temperature around 36. Southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow before 7am, then rain likely between 7am and 4pm, then rain likely, possibly mixed with snow after 4pm. High near 37. Southwest wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
Snow likely, possibly mixed with rain. Mostly cloudy, with a low around 33. South wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Snow, possibly mixed with rain, becoming all snow after 7am. High near 36. South wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Saturday Night
Snow. Low around 30. Southeast wind 11 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 32. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow. Low around 25. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Monday
Snow likely, mainly before 10am. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.
Monday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Tuesday
Snow. Mostly cloudy, with a high near 29.
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 28.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 20.
Thursday
Snow likely. Partly sunny, with a high near 28.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.86°N 121.5°W (Elev. 5295 ft)
Last Update:
3:27 am PST Jan 2, 2026
Forecast Valid:
3am PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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