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

53°F

12°C

Humidity 31%
Wind Speed E 11 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 11 Dec 06:09 AM PST
Extended Forecast for

2 Miles ENE Donner Summit CA

  • Today

    Today: Sunny, with a high near 56. Calm wind.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 34. Northeast wind around 6 mph.

    Low: 34 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 57. Northeast wind 3 to 5 mph.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. East southeast wind around 6 mph.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51.

    High: 51 °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 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 56. Calm wind.
Tonight
Clear, with a low around 34. Northeast wind around 6 mph.
Friday
Sunny, with a high near 57. Northeast wind 3 to 5 mph.
Friday Night
Mostly clear, with a low around 34. East southeast wind around 6 mph.
Saturday
Sunny, with a high near 55. Light and variable wind.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 51.
Monday Night
A chance of showers. Mostly cloudy, with a low around 35.
Tuesday
A chance of showers. Partly sunny, with a high near 47.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 34.
Wednesday
A chance of rain and snow showers. Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Donner Summit CA
 39.33°N 120.35°W (Elev. 7195 ft)
1:21 am PST Dec 11, 2025
7am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

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Hourly Weather Forecast

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