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

39°F

4°C

Humidity 35%
Wind Speed ENE 3 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility 1.24 mi
Last update 31 Mar 03:25 PM PDT
Extended Forecast for

5 Miles NNE 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
  • This Afternoon

    This Afternoon: Partly sunny, with a high near 40. South wind around 8 mph.

    High: 40 °F

    Partly Sunny

  • Tonight

    Tonight: Snow, mainly after 3am. The snow could be heavy at times.  Low around 27. Wind chill values between 20 and 25. South southwest wind 6 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Chance Snow
    then Heavy
    Snow

  • Wednesday

    Wednesday: Snow, mainly after 8am. The snow could be heavy at times.  High near 35. Wind chill values between 19 and 25. South wind 13 to 18 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 35 °F

    Heavy Snow

  • Wednesday Night

    Wednesday Night: Snow.  Low around 24. Wind chill values between 14 and 19. West wind around 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 24 °F

    Snow then
    Snow Likely

  • Thursday

    Thursday: Snow.  High near 34. Breezy, with a west wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 43 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 34 °F

    Snow and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 11pm.  Mostly cloudy, with a low around 24. Breezy.  New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow
    and Breezy
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Friday Night

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

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 40. South wind around 8 mph.
Tonight
Snow, mainly after 3am. The snow could be heavy at times. Low around 27. Wind chill values between 20 and 25. South southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow, mainly after 8am. The snow could be heavy at times. High near 35. Wind chill values between 19 and 25. South wind 13 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Wednesday Night
Snow. Low around 24. Wind chill values between 14 and 19. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. High near 34. Breezy, with a west wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 24. Breezy. New snow accumulation of less than a half inch possible.
Friday
Mostly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 28.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
Partly sunny, with a high near 53.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 34.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Chinook Pass WA
 46.93°N 121.46°W (Elev. 6322 ft)
11:27 am PDT Mar 31, 2026
3pm PDT Mar 31, 2026-6pm PDT Apr 7, 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