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 71%
Wind Speed E 6 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility 1.24 mi
Wind Chill25°F (-4°C)
Last update 18 Jan 06:17 PM PST
Extended Forecast for

5 Miles NE Chinook Pass WA

  • Tonight

    Tonight: Mostly clear, with a low around 31. Wind chill values between 20 and 25. East wind 11 to 15 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 43. Wind chill values between 20 and 30. East wind 9 to 14 mph becoming light southeast. Winds could gust as high as 22 mph.

    High: 43 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 31. West southwest wind around 10 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41. Wind chill values between 25 and 33. West southwest wind 10 to 13 mph becoming southeast in the morning. Winds could gust as high as 22 mph.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. South wind around 13 mph, with gusts as high as 21 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of snow after 4pm.  Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow, mainly after 10pm.  Partly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 31. Wind chill values between 20 and 25. East wind 11 to 15 mph, with gusts as high as 25 mph.
M.L.King Day
Sunny, with a high near 43. Wind chill values between 20 and 30. East wind 9 to 14 mph becoming light southeast. Winds could gust as high as 22 mph.
Monday Night
Mostly clear, with a low around 31. West southwest wind around 10 mph.
Tuesday
Mostly sunny, with a high near 41. Wind chill values between 25 and 33. West southwest wind 10 to 13 mph becoming southeast in the morning. Winds could gust as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 26. South wind around 13 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
A slight chance of snow after 4pm. Partly sunny, with a high near 36.
Thursday Night
A chance of snow, mainly after 10pm. Partly cloudy, with a low around 25.
Friday
A chance of snow. Partly sunny, with a high near 33.
Friday Night
A chance of snow. Mostly cloudy, with a low around 25.
Saturday
A chance of snow. Partly sunny, with a high near 32.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 23.
Sunday
Snow likely. Mostly cloudy, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Chinook Pass WA
 46.93°N 121.46°W (Elev. 6322 ft)
1:26 pm PST Jan 18, 2026
6pm PST Jan 18, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

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