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

24°F

-4°C

Humidity 89%
Wind Speed E 6 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility 1.24 mi
Wind Chill17°F (-8°C)
Last update 19 Jan 04:32 AM PST
Extended Forecast for

7 Miles SSW Chinook Pass WA

  • M.L.King Day

    M.L.King Day: Patchy dense fog before 9am.  Otherwise, sunny, with a high near 45. North northeast wind 5 to 7 mph becoming calm  in the morning.

    High: 45 °F

    Patchy Dense
    Fog then
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Light and variable wind.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43. Light and variable wind becoming northeast around 5 mph in the morning.

    High: 43 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 30. East wind 3 to 5 mph.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 41. Light southeast wind.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of snow.  Mostly sunny, with a high near 36.

    High: 36 °F

    Slight Chance
    Snow

Detailed Forecast

M.L.King Day
Patchy dense fog before 9am. Otherwise, sunny, with a high near 45. North northeast wind 5 to 7 mph becoming calm in the morning.
Tonight
Partly cloudy, with a low around 36. Light and variable wind.
Tuesday
Mostly sunny, with a high near 43. Light and variable wind becoming northeast around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 30. East wind 3 to 5 mph.
Wednesday
Sunny, with a high near 41. Light southeast wind.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 27.
Friday
A slight chance of snow. Mostly sunny, with a high near 36.
Friday Night
A chance of snow, mainly after 10pm. Partly cloudy, with a low around 27.
Saturday
A chance of snow. Partly sunny, with a high near 37.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 29.
Sunday
A chance of snow. Mostly cloudy, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Chinook Pass WA
 46.78°N 121.6°W (Elev. 5315 ft)
1:25 am PST Jan 19, 2026
4am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database