Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

White Pass (TWHIT)

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

NA

30°F

-1°C

Humidity 60%
Wind Speed E 4 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility 1.24 mi
Wind Chill26°F (-3°C)
Last update 20 Jan 05:17 AM PST
Extended Forecast for

5 Miles NNE Chinook Pass WA

  • Today

    Today: Mostly sunny, with a high near 38. Wind chill values between 22 and 29. North northwest wind 9 to 15 mph becoming east in the morning. Winds could gust as high as 25 mph.

    High: 38 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 25. Wind chill values between 16 and 21. East wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 39. Wind chill values between 16 and 26. South southeast wind 6 to 10 mph.

    High: 39 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. South southwest wind around 9 mph.

    Low: 24 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 36. West wind 5 to 7 mph.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of snow after 10am.  Mostly sunny, with a high near 37.

    High: 37 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Mostly sunny, with a high near 38. Wind chill values between 22 and 29. North northwest wind 9 to 15 mph becoming east in the morning. Winds could gust as high as 25 mph.
Tonight
Mostly clear, with a low around 25. Wind chill values between 16 and 21. East wind 9 to 14 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 39. Wind chill values between 16 and 26. South southeast wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 24. South southwest wind around 9 mph.
Thursday
Mostly sunny, with a high near 36. West wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Sunny, with a high near 34.
Friday Night
Mostly clear, with a low around 22.
Saturday
A slight chance of snow after 10am. Mostly sunny, with a high near 37.
Saturday Night
Snow likely, mainly after 4am. Partly cloudy, with a low around 25.
Sunday
Snow likely. Partly sunny, with a high near 36.
Sunday Night
Snow likely. Mostly cloudy, with a low around 29.
Monday
A chance of snow. Partly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Chinook Pass WA
 46.93°N 121.46°W (Elev. 6322 ft)
1:25 am PST Jan 20, 2026
5am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

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