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

54°F

12°C

Humidity 32%
Wind Speed E 8 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 10 Dec 03:09 AM PST
Extended Forecast for

2 Miles ENE Donner Summit CA

  • Overnight

    Overnight: Clear, with a low around 36. Northeast wind around 6 mph.

    Low: 36 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 56. Northeast wind around 5 mph becoming calm  in the morning.

    High: 56 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 36. North northeast wind around 5 mph becoming calm  in the evening.

    Low: 36 °F

    Clear

  • Thursday

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

    High: 56 °F

    Sunny

  • Thursday Night

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

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Saturday Night

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

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 36. Northeast wind around 6 mph.
Wednesday
Sunny, with a high near 56. Northeast wind around 5 mph becoming calm in the morning.
Wednesday Night
Clear, with a low around 36. North northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 56. Calm wind.
Thursday Night
Mostly clear, with a low around 34. East wind around 6 mph.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 35.
Saturday
Sunny, with a high near 55.
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
A slight chance of rain and snow showers. Partly sunny, with a high near 48.
Monday Night
A chance of showers. Mostly cloudy, with a low around 35.
Tuesday
A chance of showers. Partly sunny, with a high near 45.
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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 10, 2025
3am PST Dec 10, 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