Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Current conditions at

White Pass (TWHIT)

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

light snow

25°F

-4°C

Humidity 96%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility 0.95 mi
Last update 11 Mar 12:25 AM PDT
Extended Forecast for

Chinook Pass WA

Winter Storm Watch March 12, 05:00am until March 14, 05:00am
Winter Weather Advisory March 11, 12:46am until March 11, 06:00pm
Blizzard Warning March 11, 06:00pm until March 12, 05:00am
Click here for hazard details and duration
Winter Storm Watch
Winter Weather Advisory
Blizzard Warning
  •  
    Winter Weather Advisory March 11, 12:46am until March 11, 06:00pm

    NOW until 6:00pm Wed

    Winter Weather Advisory

  • Overnight

    Low: 23 °F

    Snow

  • Wednesday

    Wednesday: Snow before 5pm, then snow, possibly mixed with rain. The rain and snow could be heavy at times.  High near 35. Wind chill values between 17 and 22. South wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 46 mph.  Chance of precipitation is 100%. New snow accumulation of 14 to 20 inches possible.

    High: 35 °F

    Heavy Snow
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 2am. The rain and snow could be heavy at times.  Low around 26. Wind chill values between 15 and 20. Breezy, with a southwest wind 17 to 24 mph, with gusts as high as 60 mph.  Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.

    Low: 26 °F

    Rain/Snow and
    Breezy

  • Thursday

    Thursday: Snow. The snow could be heavy at times.  High near 30. Wind chill values between 14 and 19. West wind around 16 mph, with gusts as high as 40 mph.  Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

    High: 30 °F

    Heavy Snow

  • Thursday Night

    Thursday Night: Snow. The snow could be heavy at times.  Low around 28. West southwest wind 9 to 13 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.

    Low: 28 °F

    Heavy Snow

  • Friday

    Friday: Snow. The snow could be heavy at times.  High near 31. Chance of precipitation is 100%. New snow accumulation of 13 to 19 inches possible.

    High: 31 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times.  Low around 20. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    Low: 20 °F

    Heavy Snow

  • Saturday

    Saturday: Snow likely.  Mostly cloudy, with a high near 26.

    High: 26 °F

    Snow Likely

Detailed Forecast

Overnight
Snow. Low around 23. Wind chill values between 15 and 20. South southwest wind around 8 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 4 to 8 inches possible.
Wednesday
Snow before 5pm, then snow, possibly mixed with rain. The rain and snow could be heavy at times. High near 35. Wind chill values between 17 and 22. South wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 100%. New snow accumulation of 14 to 20 inches possible.
Wednesday Night
Rain and snow, becoming all snow after 2am. The rain and snow could be heavy at times. Low around 26. Wind chill values between 15 and 20. Breezy, with a southwest wind 17 to 24 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.
Thursday
Snow. The snow could be heavy at times. High near 30. Wind chill values between 14 and 19. West wind around 16 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.
Thursday Night
Snow. The snow could be heavy at times. Low around 28. West southwest wind 9 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.
Friday
Snow. The snow could be heavy at times. High near 31. Chance of precipitation is 100%. New snow accumulation of 13 to 19 inches possible.
Friday Night
Snow. The snow could be heavy at times. Low around 20. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Saturday
Snow likely. Mostly cloudy, with a high near 26.
Saturday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 18.
Sunday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 34.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 31.
Monday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 41.
Monday Night
Rain likely. Mostly cloudy, with a low around 35.
Tuesday
Rain likely. Mostly cloudy, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.88°N 121.54°W (Elev. 4580 ft)
8:01 pm PDT Mar 10, 2026
12am PDT Mar 11, 2026-6pm PDT Mar 17, 2026
 
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