Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

Current conditions at

White Pass (TWHIT)

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

unknown precip

66°F

19°C

Humidity 44%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility 1.24 mi
Last update 21 Sep 10:45 AM PDT
Extended Forecast for

8 Miles SSW Chinook Pass WA

  • Today

    Today: Mostly sunny, with a high near 81. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 68. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 68 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45. Southwest wind around 6 mph becoming calm  in the evening.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after 11am.  Mostly cloudy, with a high near 67.

    High: 67 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely.  Cloudy, with a low around 45.

    Low: 45 °F

    Rain Likely

  • Friday

    Friday: A chance of rain.  Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 81. Calm wind becoming south southwest around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 49. Calm wind.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 68. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 45. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 67. Light and variable wind.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
A 30 percent chance of rain after 11am. Mostly cloudy, with a high near 67.
Thursday Night
Rain likely. Cloudy, with a low around 45.
Friday
A chance of rain. Mostly cloudy, with a high near 57.
Friday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Chinook Pass WA
 46.75°N 121.56°W (Elev. 2313 ft)
12:30 am PDT Sep 21, 2026
11am PDT Sep 21, 2026-6pm PDT Sep 27, 2026
 
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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