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

Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. 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

Chinook Pass WA

Winter Storm Warning March 13, 10:38am until March 14, 05:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning March 13, 10:38am until March 14, 05:00am

    NOW until 5:00am Sat

    Winter Storm Warning

  • Today

    High: 31 °F

    Heavy Snow
    and Areas
    Freezing Fog

  • Tonight

    Tonight: Snow, mainly before 2am. Patchy fog between 11pm and midnight. Widespread dense freezing fog before 11pm. Low around 15. Wind chill values between 3 and 13. Southwest wind 9 to 15 mph becoming west northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 15 °F

    Snow and
    Dense
    Freezing Fog
    then Chance
    Snow

  • Saturday

    Saturday: Snow. High near 22. Wind chill values between 1 and 6. West northwest wind 16 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 22 °F

    Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 14. Wind chill values between 3 and 8. West southwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 37 mph. Little or no snow accumulation expected.

    Low: 14 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 30. South southwest wind 6 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 30 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Snow before 11pm, then rain and snow likely. Low around 28. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Rain/Snow

  • Monday

    Monday: Rain likely, possibly mixed with snow, becoming all rain after 11am. Mostly cloudy, with a high near 38. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Monday Night

    Monday Night: Rain likely. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Rain Likely

Detailed Forecast

Today
Snow. The snow could be heavy at times. Areas of freezing fog after 11am. High near 31. Wind chill values between 18 and 23. Southwest wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 10 to 14 inches possible.
Tonight
Snow, mainly before 2am. Patchy fog between 11pm and midnight. Widespread dense freezing fog before 11pm. Low around 15. Wind chill values between 3 and 13. Southwest wind 9 to 15 mph becoming west northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow. High near 22. Wind chill values between 1 and 6. West northwest wind 16 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 14. Wind chill values between 3 and 8. West southwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 37 mph. Little or no snow accumulation expected.
Sunday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 30. South southwest wind 6 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday Night
Snow before 11pm, then rain and snow likely. Low around 28. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday
Rain likely, possibly mixed with snow, becoming all rain after 11am. Mostly cloudy, with a high near 38. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday Night
Rain likely. Mostly cloudy, with a low around 33.
Tuesday
Rain likely. Mostly cloudy, with a high near 41.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 35.
Wednesday
Rain. Cloudy, with a high near 40.
Wednesday Night
Rain. Mostly cloudy, with a low around 36.
Thursday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.88°N 121.51°W (Elev. 4823 ft)
Last Update:
8:00 am PDT Mar 13, 2026
Forecast Valid:
10am PDT Mar 13, 2026-6pm PDT Mar 19, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation