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

  • Overnight

    Overnight: A 40 percent chance of snow, mainly before 2am. Mostly cloudy, with a low around 18. Wind chill values between 9 and 14. West northwest wind around 8 mph, with gusts as high as 20 mph. Total nighttime snow accumulation of 2 to 4 inches possible.

    Low: 18 °F

    Chance Snow

  • Thursday

    Thursday: Sunny, with a high near 31. Wind chill values between 9 and 19. West wind 8 to 15 mph, with gusts as high as 36 mph.

    High: 31 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 20. West wind 5 to 11 mph becoming south southwest in the evening. Winds could gust as high as 28 mph.

    Low: 20 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 39. Wind chill values between 15 and 25. Light west wind.

    High: 39 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. Light and variable wind becoming south southeast around 6 mph after midnight.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain before 8pm, then a chance of rain and snow. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
A 40 percent chance of snow, mainly before 2am. Mostly cloudy, with a low around 18. Wind chill values between 9 and 14. West northwest wind around 8 mph, with gusts as high as 20 mph. Total nighttime snow accumulation of 2 to 4 inches possible.
Thursday
Sunny, with a high near 31. Wind chill values between 9 and 19. West wind 8 to 15 mph, with gusts as high as 36 mph.
Thursday Night
Mostly cloudy, with a low around 20. West wind 5 to 11 mph becoming south southwest in the evening. Winds could gust as high as 28 mph.
Friday
Mostly sunny, with a high near 39. Wind chill values between 15 and 25. Light west wind.
Friday Night
Mostly cloudy, with a low around 29. Light and variable wind becoming south southeast around 6 mph after midnight.
Saturday
Partly sunny, with a high near 47.
Saturday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 35.
Sunday
A chance of rain. Mostly cloudy, with a high near 48.
Sunday Night
A chance of rain before 8pm, then a chance of rain and snow. Mostly cloudy, with a low around 38.
Monday
A chance of rain, mainly after 11am. Partly sunny, with a high near 54.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 39.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 46.
Tuesday Night
Rain and snow likely. Mostly cloudy, with a low around 35.
Wednesday
A chance of 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 121.54°W (Elev. 4580 ft)
Last Update:
11:26 pm PDT Apr 15, 2026
Forecast Valid:
1am PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
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Additional Resources

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Chance of Precipitation