Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

HELL HOLE (HLLC1)

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

NA

55°F

13°C

Humidity 39%
Wind Speed E 9 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 09 Dec 07:09 PM PST
Extended Forecast for

7 Miles SSW Donner Summit CA

  • Tonight

    Tonight: Clear, with a low around 43. Northeast wind around 9 mph.

    Low: 43 °F

    Clear

  • Wednesday

    Wednesday: Widespread haze before noon, then widespread haze after 1pm. Sunny, with a high near 54. Northeast wind 5 to 7 mph becoming calm  in the morning.

    High: 54 °F

    Haze

  • Wednesday Night

    Wednesday Night: Clear, with a low around 43. East northeast wind around 8 mph.

    Low: 43 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 53. East northeast wind around 6 mph becoming calm  in the morning.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 40. East northeast wind 8 to 10 mph.

    Low: 40 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 43. Northeast wind around 9 mph.
Wednesday
Widespread haze before noon, then widespread haze after 1pm. Sunny, with a high near 54. Northeast wind 5 to 7 mph becoming calm in the morning.
Wednesday Night
Clear, with a low around 43. East northeast wind around 8 mph.
Thursday
Sunny, with a high near 53. East northeast wind around 6 mph becoming calm in the morning.
Thursday Night
Clear, with a low around 40. East northeast wind 8 to 10 mph.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 54.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 36.
Monday
A slight chance of rain and snow showers. Mostly sunny, with a high near 46.
Monday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain and snow showers. Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Donner Summit CA
 39.25°N 120.47°W (Elev. 7329 ft)
1:21 pm PST Dec 9, 2025
8pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database