National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

HELL HOLE (HLLC1)

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

NA

54°F

12°C

Humidity 62%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 12 Nov 05:09 PM PST
Extended Forecast for

7 Miles SSW Donner Summit CA

Winter Weather Advisory November 13, 04:00pm until November 14, 07:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: A 20 percent chance of showers after 3am. Increasing clouds, with a low around 38. Breezy, with a south wind 13 to 22 mph, with gusts as high as 36 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Partly Cloudy
    then Slight
    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: Showers, mainly after 7am. The rain could be heavy at times. High near 43. South southwest wind 14 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    High: 43 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: Rain showers before 1am, then rain and snow showers. The rain could be heavy at times. Low around 34. Southwest wind 8 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Heavy Rain
    then
    Rain/Snow

  • Friday

    Friday: Rain and snow showers likely before 1pm, then a chance of rain showers. Partly sunny, with a high near 41. South southwest wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow
    Likely

  • Friday Night

    Friday Night: A slight chance of rain showers, mixing with snow after 7pm, then gradually ending. Partly cloudy, with a low around 36. East northeast wind 6 to 9 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers. Mostly sunny, with a high near 46.

    High: 46 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of rain and snow showers. Mostly cloudy, with a high near 37.

    High: 37 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Snow showers likely, mainly after 10pm. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Snow Showers
    Likely

Detailed Forecast

Tonight
A 20 percent chance of showers after 3am. Increasing clouds, with a low around 38. Breezy, with a south wind 13 to 22 mph, with gusts as high as 36 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers, mainly after 7am. The rain could be heavy at times. High near 43. South southwest wind 14 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Thursday Night
Rain showers before 1am, then rain and snow showers. The rain could be heavy at times. Low around 34. Southwest wind 8 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Friday
Rain and snow showers likely before 1pm, then a chance of rain showers. Partly sunny, with a high near 41. South southwest wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A slight chance of rain showers, mixing with snow after 7pm, then gradually ending. Partly cloudy, with a low around 36. East northeast wind 6 to 9 mph. Chance of precipitation is 20%.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 46.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 34.
Sunday
A chance of rain and snow showers. Mostly cloudy, with a high near 37.
Sunday Night
Snow showers likely, mainly after 10pm. Mostly cloudy, with a low around 27.
Monday
Snow showers likely, mainly before 4pm. Mostly cloudy, with a high near 32.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 26.
Tuesday
A slight chance of snow showers. Mostly sunny, with a high near 34.
Tuesday Night
A slight chance of snow showers. Partly cloudy, with a low around 25.
Wednesday
A chance of snow showers. Partly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Donner Summit CA
 39.25°N 120.47°W (Elev. 7329 ft)
Last Update:
2:01 pm PST Nov 12, 2025
Forecast Valid:
5pm PST Nov 12, 2025-6pm PST Nov 19, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation