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

Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

White Pass (TWHIT)

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

NA

17°F

-8°C

Humidity 88%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility 1.24 mi
Last update 24 Jan 09:17 AM PST
Extended Forecast for

Chinook Pass WA

  • Today

    Today: Sunny, with a high near 35. Wind chill values between 15 and 25. North wind around 7 mph.

    High: 35 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 21. Wind chill values between 13 and 18. Northwest wind around 7 mph.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 33. Wind chill values between 11 and 21. South southeast wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 33 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22. Wind chill values between 15 and 20. South southwest wind around 8 mph.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of snow after 10am. Partly sunny, with a high near 32. South southwest wind around 8 mph.

    High: 32 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow. Mostly cloudy, with a high near 35.

    High: 35 °F

    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 35. Wind chill values between 15 and 25. North wind around 7 mph.
Tonight
Partly cloudy, with a low around 21. Wind chill values between 13 and 18. Northwest wind around 7 mph.
Sunday
Mostly sunny, with a high near 33. Wind chill values between 11 and 21. South southeast wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 22. Wind chill values between 15 and 20. South southwest wind around 8 mph.
Monday
A 20 percent chance of snow after 10am. Partly sunny, with a high near 32. South southwest wind around 8 mph.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
A chance of snow. Mostly cloudy, with a high near 35.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 29.
Thursday
A chance of rain and snow. Partly sunny, with a high near 37.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 30.
Friday
A chance of rain and snow. Partly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.88°N 121.51°W (Elev. 4823 ft)
Last Update:
7:01 am PST Jan 24, 2026
Forecast Valid:
9am PST Jan 24, 2026-6pm PST Jan 30, 2026
 
Forecast Discussion
 
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Additional Resources

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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