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

3 Miles SSW Chinook Pass WA

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

    NOW until 5:00am Sat

    Winter Storm Warning

  • Tonight

    Low: 23 °F

    Rain/Snow
    then Heavy
    Snow

  • Saturday

    Saturday: A 50 percent chance of snow, mainly after noon. Partly sunny, with a high near 31. Wind chill values between 11 and 20. Southwest wind 15 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 21. West northwest wind 5 to 10 mph becoming south southwest after midnight. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 38. Wind chill values between 17 and 27. East wind around 6 mph becoming south southwest in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Snow before 8pm, then rain and snow. Low around 34. Southwest wind 6 to 8 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Monday

    Monday: Rain. High near 48. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain

  • Monday Night

    Monday Night: Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.

    Low: 38 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 48.

    High: 48 °F

    Rain

Detailed Forecast

Tonight
Snow, possibly mixed with rain, becoming all snow after 1am. The rain and snow could be heavy at times. Low around 23. Wind chill values between 16 and 21. South southwest wind 8 to 14 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.
Saturday
A 50 percent chance of snow, mainly after noon. Partly sunny, with a high near 31. Wind chill values between 11 and 20. Southwest wind 15 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 22 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 21. West northwest wind 5 to 10 mph becoming south southwest after midnight. New snow accumulation of less than a half inch possible.
Sunday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 38. Wind chill values between 17 and 27. East wind around 6 mph becoming south southwest in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow before 8pm, then rain and snow. Low around 34. Southwest wind 6 to 8 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday
Rain. High near 48. 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 38. Chance of precipitation is 70%.
Tuesday
Rain. Cloudy, with a high near 48.
Tuesday Night
Rain. Mostly cloudy, with a low around 41.
Wednesday
Rain likely. Mostly cloudy, with a high near 49.
Wednesday Night
Rain. Mostly cloudy, with a low around 41.
Thursday
Rain likely. Mostly cloudy, with a high near 50.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 40.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 49.
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:
8:01 pm PDT Mar 13, 2026
Forecast Valid:
10pm PDT Mar 13, 2026-6pm PDT Mar 20, 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