National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

Hazardous Weather Conditions

Current conditions at

White Pass (TWHIT)

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

unknown precip

36°F

2°C

Humidity NA
Wind Speed W 9 MPH
Barometer NA
Dewpoint N/A
Visibility 1.24 mi
Wind Chill29°F (-2°C)
Last update NA
Extended Forecast for

4 Miles S Chinook Pass WA

Winter Storm Warning March 13, 12:19am until March 14, 05:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning March 13, 12:19am until March 14, 05:00am

    NOW until 5:00am Sat

    Winter Storm Warning

  • Overnight

    Low: 33 °F

    Heavy Snow

  • Friday

    Friday: Snow. The snow could be heavy at times. High near 35. South wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 13 to 19 inches possible.

    High: 35 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times. Low around 22. Wind chill values between 14 and 19. West southwest wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 22 °F

    Heavy Snow

  • Saturday

    Saturday: Snow. High near 28. Wind chill values between 13 and 18. West wind 11 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 28 °F

    Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 20. West wind 8 to 13 mph becoming light in the evening. Winds could gust as high as 29 mph. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 36. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 36 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Rain and snow, becoming all rain after 2am. Low around 33. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 47.

    High: 47 °F

    Rain Likely

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Steady temperature around 33. Wind chill values between 24 and 29. Southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 16 to 22 inches possible.
Friday
Snow. The snow could be heavy at times. High near 35. South wind around 8 mph, with gusts as high as 20 mph. 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 22. Wind chill values between 14 and 19. West southwest wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday
Snow. High near 28. Wind chill values between 13 and 18. West wind 11 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday Night
A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 20. West wind 8 to 13 mph becoming light in the evening. Winds could gust as high as 29 mph. New snow accumulation of less than a half inch possible.
Sunday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 36. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Sunday Night
Rain and snow, becoming all rain after 2am. Low around 33. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday
Rain likely. Mostly cloudy, with a high near 47.
Monday Night
A chance of rain. Mostly cloudy, with a low around 36.
Tuesday
A chance of rain. Partly sunny, with a high near 49.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 38.
Wednesday
Rain. Mostly cloudy, with a high near 46.
Wednesday Night
Rain and snow. Mostly cloudy, with a low around 37.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Chinook Pass WA
 46.82°N 121.52°W (Elev. 4334 ft)
Last Update:
8:01 pm PDT Mar 12, 2026
Forecast Valid:
12am PDT Mar 13, 2026-6pm PDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation