Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

White Pass (TWHIT)

Lat: 46.638°NLon: 121.39°WElev: 4498.0ft.

NA

28°F

-2°C

Humidity 40%
Wind Speed ENE 8 MPH
Barometer NA
Dewpoint 7°F (-14°C)
Visibility 1.24 mi
Wind Chill20°F (-7°C)
Last update 31 Mar 09:40 AM PDT
Extended Forecast for

3 Miles W Chinook Pass WA

Winter Weather Advisory April 1, 11:00am until April 2, 11:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Today

    Today: A 20 percent chance of snow after 4pm.  Partly sunny, with a high near 37. Wind chill values between 24 and 32. South wind around 6 mph.

    High: 37 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Tonight

    Tonight: Snow, mainly after 2am. The snow could be heavy at times.  Low around 27. Light south southwest wind becoming south 6 to 11 mph in the evening.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Chance Snow
    then Heavy
    Snow

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times.  High near 32. Wind chill values between 20 and 25. South wind 9 to 14 mph.  Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    High: 32 °F

    Heavy Snow

  • Wednesday Night

    Wednesday Night: Snow.  Low around 23. Wind chill values between 16 and 21. West wind 7 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 23 °F

    Snow then
    Snow Likely

  • Thursday

    Thursday: Snow.  High near 31. West wind 8 to 18 mph, with gusts as high as 34 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow before 11pm.  Mostly cloudy, with a low around 23. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: A 20 percent chance of snow after 11am.  Mostly sunny, with a high near 38.

    High: 38 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of snow after 4pm. Partly sunny, with a high near 37. Wind chill values between 24 and 32. South wind around 6 mph.
Tonight
Snow, mainly after 2am. The snow could be heavy at times. Low around 27. Light south southwest wind becoming south 6 to 11 mph in the evening. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 32. Wind chill values between 20 and 25. South wind 9 to 14 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Wednesday Night
Snow. Low around 23. Wind chill values between 16 and 21. West wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. High near 31. West wind 8 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 23. New snow accumulation of less than a half inch possible.
Friday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 38.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
A slight chance of rain. Mostly sunny, with a high near 52.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Chinook Pass WA
 46.87°N 121.57°W (Elev. 5427 ft)
11:27 pm PDT Mar 30, 2026
10am PDT Mar 31, 2026-6pm PDT Apr 6, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database