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

3 Miles SSW Chinook Pass WA

Winter Storm Warning March 12, 06:20pm until March 14, 05:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning March 12, 06:20pm until March 14, 05:00am

    NOW until 5:00am Sat

    Winter Storm Warning

  • Tonight

    Low: 34 °F

    Heavy Snow
    then
    Rain/Snow

  • Friday

    Friday: Snow, possibly mixed with rain, becoming all snow after 8am. The rain and snow could be heavy at times. High near 38. South wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.

    High: 38 °F

    Rain/Snow
    then Heavy
    Snow

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times. Low around 23. West southwest wind 5 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: 23 °F

    Heavy Snow

  • Saturday

    Saturday: Snow. High near 32. Wind chill values between 15 and 23. West wind 10 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 21. West wind 6 to 11 mph becoming light west southwest in the evening. Winds could gust as high as 30 mph. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Snow, mainly after 11am. High near 38. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Snow

  • Sunday Night

    Sunday Night: Rain, possibly mixed with snow, becoming all rain after 2am. Low around 34. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 50.

    High: 50 °F

    Rain Likely

Detailed Forecast

Tonight
Snow before 2am, then snow, possibly mixed with rain. The rain and snow could be heavy at times. Steady temperature around 34. Wind chill values between 24 and 29. South southwest wind 7 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 15 to 21 inches possible.
Friday
Snow, possibly mixed with rain, becoming all snow after 8am. The rain and snow could be heavy at times. High near 38. South wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.
Friday Night
Snow. The snow could be heavy at times. Low around 23. West southwest wind 5 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 32. Wind chill values between 15 and 23. West wind 10 to 13 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 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 21. West wind 6 to 11 mph becoming light west southwest in the evening. Winds could gust as high as 30 mph. New snow accumulation of less than a half inch possible.
Sunday
Snow, mainly after 11am. High near 38. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday Night
Rain, possibly mixed with snow, becoming all rain after 2am. Low around 34. Chance of precipitation is 90%. Little or no snow accumulation expected.
Monday
Rain likely. Mostly cloudy, with a high near 50.
Monday Night
A chance of rain. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain. Partly sunny, with a high near 52.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 39.
Wednesday
Rain. Mostly cloudy, with a high near 50.
Wednesday Night
Rain. Mostly cloudy, with a low around 38.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Chinook Pass WA
 46.84°N 121.52°W (Elev. 4052 ft)
Last Update:
2:26 pm PDT Mar 12, 2026
Forecast Valid:
6pm PDT Mar 12, 2026-6pm PDT Mar 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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