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

46°F

8°C

Humidity 62%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 07 Dec 06:09 PM PST
Extended Forecast for

4 Miles E 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 50. Calm wind.

    High: 50 °F

    Sunny

  • Monday Night

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

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55. Calm wind becoming west around 5 mph in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. Light west southwest wind.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 57.

    High: 57 °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 58.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34.

    Low: 34 °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 50. Calm wind.
Monday Night
Mostly clear, with a low around 34. Calm wind.
Tuesday
Mostly sunny, with a high near 55. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 36. Light west southwest wind.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 34.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 35.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Donner Summit CA
 39.32°N 120.31°W (Elev. 7064 ft)
1:20 pm PST Dec 7, 2025
6pm 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