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

23°F

-5°C

Humidity 87%
Wind Speed ENE 4 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility 1.24 mi
Wind Chill18°F (-8°C)
Last update 19 Jan 04:02 AM PST
Extended Forecast for

4 Miles NNW Chinook Pass WA

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 47. Wind chill values between 22 and 32 early. South wind 5 to 8 mph becoming calm  in the afternoon.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Southwest wind around 5 mph becoming light and variable  after midnight.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Southwest wind 6 to 8 mph becoming east southeast in the morning.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28. South wind around 7 mph.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 43. South southeast wind 3 to 7 mph.

    High: 43 °F

    Sunny

  • Wednesday Night

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

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of snow before 4pm, then a slight chance of rain and snow.  Mostly sunny, with a high near 39.

    High: 39 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

Detailed Forecast

M.L.King Day
Sunny, with a high near 47. Wind chill values between 22 and 32 early. South wind 5 to 8 mph becoming calm in the afternoon.
Tonight
Partly cloudy, with a low around 34. Southwest wind around 5 mph becoming light and variable after midnight.
Tuesday
Mostly sunny, with a high near 44. Southwest wind 6 to 8 mph becoming east southeast in the morning.
Tuesday Night
Mostly clear, with a low around 28. South wind around 7 mph.
Wednesday
Sunny, with a high near 43. South southeast wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 25.
Friday
A slight chance of snow before 4pm, then a slight chance of rain and snow. Mostly sunny, with a high near 39.
Friday Night
A slight chance of rain and snow before 7pm, then a chance of snow between 7pm and 5am, then a chance of rain and snow after 5am. Partly cloudy, with a low around 25.
Saturday
A chance of rain and snow. Partly sunny, with a high near 40.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 28.
Sunday
A chance of rain and snow. Partly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Chinook Pass WA
 46.92°N 121.55°W (Elev. 3245 ft)
1:25 am PST Jan 19, 2026
4am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

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