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

46°F

8°C

Humidity 86%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 13 Nov 01:09 AM PST
Extended Forecast for

4 Miles SE 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

  • Overnight

    Overnight: A slight chance of showers before 4am, then a slight chance of showers after 5am. Partly cloudy, with a low around 39. South southwest wind around 18 mph, with gusts as high as 39 mph. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Showers, mainly after 7am. The rain could be heavy at times. High near 45. South southwest wind 14 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    High: 45 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: Rain showers before 4am, then rain, possibly mixed with snow showers. The rain could be heavy at times. Low around 31. Southwest wind 7 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Heavy Rain
    then
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow showers before 10am, then a chance of rain showers. Partly sunny, with a high near 42. South southwest wind 3 to 5 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers. Partly cloudy, with a low around 32. East northeast wind 3 to 6 mph.

    Low: 32 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers. Partly 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 32.

    Low: 32 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 39.

    High: 39 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of rain and snow showers before 10pm, then snow showers likely. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

Detailed Forecast

Overnight
A slight chance of showers before 4am, then a slight chance of showers after 5am. Partly cloudy, with a low around 39. South southwest wind around 18 mph, with gusts as high as 39 mph. Chance of precipitation is 20%. 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 45. South southwest wind 14 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Thursday Night
Rain showers before 4am, then rain, possibly mixed with snow showers. The rain could be heavy at times. Low around 31. Southwest wind 7 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Friday
A chance of rain and snow showers before 10am, then a chance of rain showers. Partly sunny, with a high near 42. South southwest wind 3 to 5 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 32. East northeast wind 3 to 6 mph.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 46.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 32.
Sunday
A chance of showers. Mostly cloudy, with a high near 39.
Sunday Night
A chance of rain and snow showers before 10pm, then snow showers likely. Mostly cloudy, with a low around 28.
Monday
Snow showers likely, mainly before 10am. Mostly cloudy, with a high near 33.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 22.
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 21.
Wednesday
A chance of snow showers. Partly sunny, with a high near 36.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Donner Summit CA
 39.29°N 120.34°W (Elev. 7067 ft)
Last Update:
2:01 pm PST Nov 12, 2025
Forecast Valid:
1am PST Nov 13, 2025-6pm PST Nov 19, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation