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

Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Current conditions at

White Pass (TWHIT)

Lat: 46.638°NLon: 121.39°WElev: 4498.0ft.

NA

N/A

Humidity 70%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint N/A
Visibility 1.24 mi
Last update 03 Apr 10:56 AM PDT
Extended Forecast for

Chinook Pass WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 31. Wind chill values between 19 and 24. West northwest wind 14 to 20 mph, with gusts as high as 34 mph.

    High: 31 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 20. West southwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 37 mph.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 40. Wind chill values between 15 and 25. Light and variable wind.

    High: 40 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30. South southeast wind 3 to 6 mph.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 48. South southeast wind around 6 mph.

    High: 48 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain. Mostly cloudy, with a high near 52.

    High: 52 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain after 11am. Partly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 31. Wind chill values between 19 and 24. West northwest wind 14 to 20 mph, with gusts as high as 34 mph.
Tonight
Partly cloudy, with a low around 20. West southwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 37 mph.
Friday
Increasing clouds, with a high near 40. Wind chill values between 15 and 25. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 30. South southeast wind 3 to 6 mph.
Saturday
Partly sunny, with a high near 48. South southeast wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
A 20 percent chance of rain. Mostly cloudy, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
A slight chance of rain after 11am. Partly sunny, with a high near 57.
Monday Night
A chance of rain. Mostly cloudy, with a low around 40.
Tuesday
A chance of rain. Partly sunny, with a high near 49.
Tuesday Night
Rain and snow likely. Mostly cloudy, with a low around 38.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.88°N 121.54°W (Elev. 4580 ft)
Last Update:
11:27 am PDT Apr 16, 2026
Forecast Valid:
2pm PDT Apr 16, 2026-6pm PDT Apr 22, 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