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

38°F

3°C

Humidity 34%
Wind Speed E 6 MPH
Barometer NA
Dewpoint 12°F (-11°C)
Visibility 1.24 mi
Wind Chill33°F (1°C)
Last update 31 Mar 01:25 PM PDT
Extended Forecast for

6 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 41. South wind around 8 mph.

    High: 41 °F

    Partly Sunny

  • Tonight

    Tonight: Snow, mainly after 3am.  Low around 28. South wind 6 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Chance Snow
    then Snow

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times.  High near 37. Wind chill values between 20 and 29. South wind 10 to 16 mph, with gusts as high as 34 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 37 °F

    Heavy Snow

  • Wednesday Night

    Wednesday Night: Snow.  Low around 24. Wind chill values between 14 and 19. South southwest wind around 9 mph becoming west after midnight. Winds could gust 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 35. West wind 11 to 21 mph, with gusts as high as 44 mph.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 35 °F

    Snow

  • Thursday Night

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

    Low: 24 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 41. South wind around 8 mph.
Tonight
Snow, mainly after 3am. Low around 28. South wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 37. Wind chill values between 20 and 29. South wind 10 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Wednesday Night
Snow. Low around 24. Wind chill values between 14 and 19. South southwest wind around 9 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. High near 35. West wind 11 to 21 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Thursday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 24. New snow accumulation of less than a half inch possible.
Friday
Mostly sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 29.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
Partly sunny, with a high near 55.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNE Chinook Pass WA
 46.95°N 121.46°W (Elev. 5587 ft)
11:27 am PDT Mar 31, 2026
1pm 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