National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow in the Lower Great Lakes; Rain and High Elevation Snow in the West

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest Thursday afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

White Pass (TWHIT)

Lat: 46.638°NLon: 121.39°WElev: 4498.0ft.

NA

25°F

-4°C

Humidity 99%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility 1.24 mi
Last update 12 Feb 03:02 AM PST
Extended Forecast for

Chinook Pass WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 40. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 40 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after 4am. Mostly cloudy, with a low around 27. Light south wind. Little or no snow accumulation expected.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: Snow, mainly after 10am. High near 35. Wind chill values between 24 and 29. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 35 °F

    Snow

  • Friday Night

    Friday Night: Snow, mainly before 4am. Low around 27. West southwest wind 3 to 5 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Snow then
    Snow Likely

  • Saturday

    Saturday: Snow likely, mainly after 10am. Mostly cloudy, with a high near 34. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 34 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 25. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow, mainly before 4pm. Partly sunny, with a high near 35.

    High: 35 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A slight chance of snow before 10pm. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Slight Chance
    Snow then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 26. Calm wind.
Thursday
Partly sunny, with a high near 40. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
A 30 percent chance of snow after 4am. Mostly cloudy, with a low around 27. Light south wind. Little or no snow accumulation expected.
Friday
Snow, mainly after 10am. High near 35. Wind chill values between 24 and 29. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Friday Night
Snow, mainly before 4am. Low around 27. West southwest wind 3 to 5 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 34. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 25. New snow accumulation of less than one inch possible.
Sunday
A chance of snow, mainly before 4pm. Partly sunny, with a high near 35.
Sunday Night
A slight chance of snow before 10pm. Mostly cloudy, with a low around 22.
Washington's Birthday
A chance of snow. Mostly cloudy, with a high near 34.
Monday Night
Snow likely. Mostly cloudy, with a low around 25.
Tuesday
Snow. Mostly cloudy, with a high near 34.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 25.
Wednesday
Snow. Mostly cloudy, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.86°N 121.53°W (Elev. 3973 ft)
Last Update:
1:26 am PST Feb 12, 2026
Forecast Valid:
3am PST Feb 12, 2026-6pm PST Feb 18, 2026
 
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Additional Resources

Radar & Satellite Image

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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