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 85%
Wind Speed ENE 7 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility 1.24 mi
Wind Chill10°F (-12°C)
Last update 21 Jan 12:32 AM PST
Extended Forecast for

4 Miles SW Chinook Pass WA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 32. North wind around 5 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 41. Wind chill values between 25 and 35. Light and variable wind.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. Light north northeast wind.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 37. Calm wind.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. Light east southeast wind.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 22.

    Low: 22 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 32. North wind around 5 mph.
Wednesday
Sunny, with a high near 41. Wind chill values between 25 and 35. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 28. Light north northeast wind.
Thursday
Mostly sunny, with a high near 37. Calm wind.
Thursday Night
Partly cloudy, with a low around 22. Light east southeast wind.
Friday
Sunny, with a high near 34.
Friday Night
Clear, with a low around 22.
Saturday
Sunny, with a high near 38.
Saturday Night
Mostly clear, with a low around 25.
Sunday
A slight chance of snow after 10am. Mostly sunny, with a high near 38.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 28.
Monday
A chance of snow. Partly sunny, with a high near 36.
Monday Night
A chance of snow. Partly cloudy, with a low around 28.
Tuesday
A slight chance of snow. Partly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Chinook Pass WA
 46.83°N 121.58°W (Elev. 5059 ft)
7:01 pm PST Jan 20, 2026
12am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
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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