Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. 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

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Calm wind becoming south southeast 5 to 8 mph in the evening. Winds could gust as high as 20 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 54. South southeast wind 7 to 10 mph, with gusts as high as 25 mph.

    High: 54 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42. East southeast wind around 6 mph.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 59. East southeast wind 5 to 7 mph.

    High: 59 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain.  Mostly cloudy, with a low around 41. Light west northwest wind.

    Low: 41 °F

    Chance Rain

  • Tuesday

    Tuesday: A chance of rain, then showers likely and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 51. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 51 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Rain before 2am, then rain and snow likely.  Low around 35. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Snow, possibly mixed with rain.  Mostly cloudy, with a high near 37.

    High: 37 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely before 2am, then a chance of snow.  Mostly cloudy, with a low around 33.

    Low: 33 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. Calm wind becoming south southeast 5 to 8 mph in the evening. Winds could gust as high as 20 mph.
Sunday
Partly sunny, with a high near 54. South southeast wind 7 to 10 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 42. East southeast wind around 6 mph.
Monday
Partly sunny, with a high near 59. East southeast wind 5 to 7 mph.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 41. Light west northwest wind.
Tuesday
A chance of rain, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 51. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain before 2am, then rain and snow likely. Low around 35. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday
Snow, possibly mixed with rain. Mostly cloudy, with a high near 37.
Wednesday Night
Rain and snow likely before 2am, then a chance of snow. Mostly cloudy, with a low around 33.
Thursday
A chance of snow. Partly sunny, with a high near 43.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 33.
Friday
Sunny, with a high near 48.
Friday Night
Mostly clear, with a low around 35.
Saturday
A slight chance of rain. Sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.88°N 121.54°W (Elev. 4580 ft)
11:26 am PDT Apr 18, 2026
4pm PDT Apr 18, 2026-6pm PDT Apr 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database