Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

HELL HOLE (HLLC1)

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

NA

56°F

13°C

Humidity 44%
Wind Speed WSW 7 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 07 Dec 03:09 PM PST
Extended Forecast for

Donner Summit CA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 30. Calm wind.

    Low: 30 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56. Calm wind becoming west around 5 mph in the afternoon.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Thursday Night

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

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 30. Calm wind.
Monday
Sunny, with a high near 52. Light and variable wind.
Monday Night
Mostly clear, with a low around 34. Calm wind.
Tuesday
Sunny, with a high near 56. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 36. Calm wind.
Wednesday
Sunny, with a high near 59.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 35.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Donner Summit CA
 39.33°N 120.37°W (Elev. 6965 ft)
1:20 pm PST Dec 7, 2025
3pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
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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