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, 03:49am until March 14, 05:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning March 13, 03:49am until March 14, 05:00am

    NOW until 5:00am Sat

    Winter Storm Warning

  • Overnight

    Low: 33 °F

    Rain/Snow

  • Friday

    Friday: Snow, possibly mixed with rain, becoming all snow after 8am. The rain and snow could be heavy at times. Areas of fog between 2pm and 4pm. High near 36. South southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.

    High: 36 °F

    Rain/Snow
    then Heavy
    Snow and
    Areas Fog

  • Friday Night

    Friday Night: Snow, mainly before 1am. Low around 20. South wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 20 °F

    Snow then
    Snow Likely

  • Saturday

    Saturday: Snow. High near 28. Wind chill values between 9 and 17. West wind 11 to 14 mph, with gusts as high as 31 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 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 19. West wind 8 to 13 mph becoming light west southwest after midnight. Winds could gust as high as 30 mph. Little or no snow accumulation expected.

    Low: 19 °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 less than one inch possible.

    High: 36 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Snow before 8pm, then rain and snow. Low around 33. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 45.

    High: 45 °F

    Rain Likely

Detailed Forecast

Overnight
Snow, possibly mixed with rain. The rain and snow could be heavy at times. Steady temperature around 33. Wind chill values between 25 and 30. Southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 17 to 23 inches possible.
Friday
Snow, possibly mixed with rain, becoming all snow after 8am. The rain and snow could be heavy at times. Areas of fog between 2pm and 4pm. High near 36. South southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.
Friday Night
Snow, mainly before 1am. Low around 20. South wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow. High near 28. Wind chill values between 9 and 17. West wind 11 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 19. West wind 8 to 13 mph becoming light west southwest after midnight. Winds could gust as high as 30 mph. Little or no snow accumulation expected.
Sunday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 36. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday Night
Snow before 8pm, then rain and snow. Low around 33. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
Rain likely. Mostly cloudy, with a high near 45.
Monday Night
Rain likely. Mostly cloudy, with a low around 37.
Tuesday
Rain likely. Mostly cloudy, with a high near 47.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 39.
Wednesday
Rain. Mostly cloudy, with a high near 45.
Wednesday Night
Rain. Mostly cloudy, with a low around 40.
Thursday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 45.
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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:
2:26 am PDT Mar 13, 2026
Forecast Valid:
3am PDT Mar 13, 2026-6pm PDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation