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

40°F

4°C

Humidity 35%
Wind Speed NE 6 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility 1.24 mi
Wind Chill36°F (2°C)
Last update 31 Mar 02:10 PM PDT
Extended Forecast for

4 Miles NNW 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: A slight chance of rain and snow after 4pm.  Partly sunny, with a high near 44. Light south wind.  Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain/Snow

  • Tonight

    Tonight: Rain and snow, becoming all snow after 5am. The snow could be heavy at times.  Low around 29. South wind 3 to 7 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow.  High near 39. Wind chill values between 24 and 33. South wind 7 to 11 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 39 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 8pm.  Low around 24. South wind around 6 mph becoming west in the evening.  Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 24 °F

    Rain/Snow
    then Snow
    Likely

  • Thursday

    Thursday: Snow before 2pm, then rain and snow.  High near 37. West wind 6 to 15 mph, with gusts as high as 33 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Snow then
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 11pm.  Mostly cloudy, with a low around 24. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 24 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Friday Night

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

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of rain and snow after 4pm. Partly sunny, with a high near 44. Light south wind. Chance of precipitation is 20%.
Tonight
Rain and snow, becoming all snow after 5am. The snow could be heavy at times. Low around 29. South wind 3 to 7 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday
Rain and snow. High near 39. Wind chill values between 24 and 33. South wind 7 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Rain and snow, becoming all snow after 8pm. Low around 24. South wind around 6 mph becoming west in the evening. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Thursday
Snow before 2pm, then rain and snow. High near 37. West wind 6 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday Night
A chance of rain and snow before 11pm. Mostly cloudy, with a low around 24. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday
Mostly sunny, with a high near 45.
Friday Night
Mostly clear, with a low around 29.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 57.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Chinook Pass WA
 46.92°N 121.55°W (Elev. 3245 ft)
11:27 am PDT Mar 31, 2026
2pm 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