Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

White Pass (TWHIT)

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

NA

19°F

-7°C

Humidity 94%
Wind Speed ENE 6 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility 1.24 mi
Wind Chill11°F (-12°C)
Last update 21 Jan 10:47 AM PST
Extended Forecast for

Chinook Pass WA

  • Today

    Today: Sunny, with a high near 41. East wind around 6 mph becoming calm  in the afternoon.

    High: 41 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 27. Light northeast wind.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 40. Wind chill values between 22 and 32. East wind around 5 mph becoming calm  in the morning.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21. East southeast wind 3 to 5 mph.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 33. East wind around 7 mph.

    High: 33 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 41. East wind around 6 mph becoming calm in the afternoon.
Tonight
Partly cloudy, with a low around 27. Light northeast wind.
Thursday
Mostly sunny, with a high near 40. Wind chill values between 22 and 32. East wind around 5 mph becoming calm in the morning.
Thursday Night
Partly cloudy, with a low around 21. East southeast wind 3 to 5 mph.
Friday
Sunny, with a high near 33. East wind around 7 mph.
Friday Night
Mostly clear, with a low around 21.
Saturday
Sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 40.
Sunday Night
A slight chance of snow. Partly cloudy, with a low around 26.
Monday
A chance of rain and snow. Partly sunny, with a high near 39.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 29.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.86°N 121.53°W (Elev. 3973 ft)
7:01 am PST Jan 21, 2026
11am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database