Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

HELL HOLE (HLLC1)

Lat: 39.06971°NLon: 120.41989°WElev: 5240.0ft.

NA

58°F

14°C

Humidity 26%
Wind Speed E 8 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 11 Dec 09:09 AM PST
Extended Forecast for

4 Miles S Donner Summit CA

  • Today

    Today: Sunny, with a high near 61. Calm wind.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 37. East northeast wind 3 to 5 mph.

    Low: 37 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 64. Light east northeast wind.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36. Light east wind.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62. Calm wind.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 61. Calm wind.
Tonight
Clear, with a low around 37. East northeast wind 3 to 5 mph.
Friday
Sunny, with a high near 64. Light east northeast wind.
Friday Night
Mostly clear, with a low around 36. Light east wind.
Saturday
Sunny, with a high near 62. Calm wind.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 58.
Monday Night
A chance of showers. Mostly cloudy, with a low around 37.
Tuesday
A chance of showers. Partly sunny, with a high near 53.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 36.
Wednesday
A chance of showers. Partly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Donner Summit CA
 39.26°N 120.39°W (Elev. 6191 ft)
1:21 am PST Dec 11, 2025
9am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

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