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

31°F

-1°C

Humidity 52%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility 1.24 mi
Last update 20 Jan 04:33 AM PST
Extended Forecast for

5 Miles SSW Chinook Pass WA

  • Today

    Today: Mostly sunny, with a high near 43. Calm wind becoming northeast around 5 mph.

    High: 43 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. Light northeast wind.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 44. Calm wind.

    High: 44 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 41. Calm wind.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of snow.  Mostly sunny, with a high near 42.

    High: 42 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Mostly sunny, with a high near 43. Calm wind becoming northeast around 5 mph.
Tonight
Mostly clear, with a low around 30. Light northeast wind.
Wednesday
Sunny, with a high near 44. Calm wind.
Wednesday Night
Mostly clear, with a low around 29. Calm wind.
Thursday
Mostly sunny, with a high near 41. Calm wind.
Thursday Night
Partly cloudy, with a low around 27.
Friday
Sunny, with a high near 39.
Friday Night
Mostly clear, with a low around 26.
Saturday
A slight chance of snow. Mostly sunny, with a high near 42.
Saturday Night
A slight chance of snow before 4am, then rain likely, possibly mixed with snow. Partly cloudy, with a low around 29.
Sunday
Rain and snow likely. Partly sunny, with a high near 40.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 33.
Monday
A chance of rain and snow. Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Chinook Pass WA
 46.81°N 121.55°W (Elev. 3852 ft)
1:25 am PST Jan 20, 2026
4am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database