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

4 Miles S Chinook Pass WA

Winter Storm Warning March 13, 10:52pm until March 14, 05:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning March 13, 10:52pm until March 14, 05:00am

    NOW until 5:00am Sat

    Winter Storm Warning

  • Tonight

    Low: 22 °F

    Heavy Snow

  • Saturday

    Saturday: A 40 percent chance of snow, mainly after noon. Partly sunny, with a high near 28. Wind chill values between 10 and 16. Southwest wind around 17 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph. New snow accumulation of less than a half inch possible.

    High: 28 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 19. Wind chill values between 12 and 17. Southwest wind 5 to 11 mph. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 36. Wind chill values between 13 and 23. Northeast wind around 6 mph becoming south southwest in the afternoon. 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 11pm, then rain likely, possibly mixed with snow. Low around 33. Southwest wind 6 to 9 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 33 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Monday

    Monday: Rain. High near 44. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Rain

  • Monday Night

    Monday Night: Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.

    Low: 37 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 45.

    High: 45 °F

    Rain

Detailed Forecast

Tonight
Snow before 4am, then snow likely after 5am. The snow could be heavy at times. Low around 22. Wind chill values between 13 and 18. South southwest wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 7 to 11 inches possible.
Saturday
A 40 percent chance of snow, mainly after noon. Partly sunny, with a high near 28. Wind chill values between 10 and 16. Southwest wind around 17 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph. 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 19. Wind chill values between 12 and 17. Southwest wind 5 to 11 mph. New snow accumulation of less than a half inch possible.
Sunday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 36. Wind chill values between 13 and 23. Northeast wind around 6 mph becoming south southwest in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday Night
Snow before 11pm, then rain likely, possibly mixed with snow. Low around 33. Southwest wind 6 to 9 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Monday
Rain. High near 44. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.
Tuesday
Rain. Cloudy, with a high near 45.
Tuesday Night
Rain. Mostly cloudy, with a low around 39.
Wednesday
Rain likely. Mostly cloudy, with a high near 46.
Wednesday Night
Rain. Mostly cloudy, with a low around 40.
Thursday
Rain likely. Mostly cloudy, with a high near 47.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 39.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 46.
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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 13, 2026
Forecast Valid:
10pm PDT Mar 13, 2026-6pm PDT Mar 20, 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