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 57%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility 1.24 mi
Last update 20 Jan 01:18 AM PST
Extended Forecast for

4 Miles SW Chinook Pass WA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 38. Calm wind.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a steady temperature around 38. North northeast wind 5 to 7 mph.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29. North wind around 6 mph.

    Low: 29 °F

    Mostly Clear

  • Wednesday

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

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 27. Light south southeast wind.

    Low: 27 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 38. Calm wind.
Tuesday
Mostly sunny, with a steady temperature around 38. North northeast wind 5 to 7 mph.
Tuesday Night
Mostly clear, with a low around 29. North wind around 6 mph.
Wednesday
Sunny, with a high near 41. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 27. Light south southeast wind.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Sunny, with a high near 36.
Friday Night
Mostly clear, with a low around 25.
Saturday
A slight chance of snow. Mostly sunny, with a high near 39.
Saturday Night
Snow likely. Partly cloudy, with a low around 28.
Sunday
Snow likely. Partly sunny, with a high near 37.
Sunday Night
Snow likely. Mostly cloudy, with a low around 31.
Monday
A chance of snow. Partly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Chinook Pass WA
 46.83°N 121.58°W (Elev. 5059 ft)
1:25 am PST Jan 20, 2026
1am 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