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

32°F

0°C

Humidity 54%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility 1.24 mi
Last update 20 Jan 03:47 AM PST
Extended Forecast for

8 Miles SSW Chinook Pass WA

  • Today

    Today: Mostly sunny, with a high near 48. Light north northeast wind.

    High: 48 °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 48. Calm wind.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of snow after 4am.  Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear
    then Slight
    Chance Snow

  • Saturday

    Saturday: A slight chance of rain and snow before 10am, then a slight chance of rain.  Mostly sunny, with a high near 46.

    High: 46 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 48. Light north northeast wind.
Tonight
Mostly clear, with a low around 30. Light northeast wind.
Wednesday
Sunny, with a high near 48. Calm wind.
Wednesday Night
Mostly clear, with a low around 30. Calm wind.
Thursday
Mostly sunny, with a high near 45. Calm wind.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Sunny, with a high near 44.
Friday Night
A slight chance of snow after 4am. Mostly clear, with a low around 26.
Saturday
A slight chance of rain and snow before 10am, then a slight chance of rain. Mostly sunny, with a high near 46.
Saturday Night
Rain likely, possibly mixed with snow, mainly after 4am. Partly cloudy, with a low around 31.
Sunday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 45.
Sunday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 35.
Monday
A chance of rain. Mostly cloudy, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Chinook Pass WA
 46.75°N 121.56°W (Elev. 2313 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