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 E 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: Partly cloudy, with a steady temperature around 42. Breezy, with a south southwest wind around 23 mph, with gusts as high as 40 mph.

    Low: 42 °F

    Partly Cloudy
    and Breezy

  • Thursday

    Thursday: Showers, mainly after 7am. Widespread dense fog, mainly between 10am and 5pm. High near 44. South southwest wind 14 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 44 °F

    Showers and
    Dense Fog

  • Thursday Night

    Thursday Night: Rain showers before 4am, then rain, possibly mixed with snow showers. Areas of fog. Low around 32. Southwest wind 6 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 32 °F

    Showers and
    Areas Fog
    then
    Rain/Snow and
    Areas Fog

  • Friday

    Friday: A chance of rain and snow showers before 8am, then a chance of rain showers. Partly sunny, with a high near 42. Light southeast wind. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 42 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 10pm, then a slight chance of showers after 4am. Partly cloudy, with a low around 33. East northeast wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly after 10am. Partly sunny, with a high near 46.

    High: 46 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 4am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.

    Low: 32 °F

    Showers
    Likely

  • Sunday

    Sunday: Rain likely, possibly mixed with snow showers, mainly after 4pm. Mostly cloudy, with a high near 37.

    High: 37 °F

    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Rain and snow showers likely, becoming all snow after 7pm. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 42. Breezy, with a south southwest wind around 23 mph, with gusts as high as 40 mph.
Thursday
Showers, mainly after 7am. Widespread dense fog, mainly between 10am and 5pm. High near 44. South southwest wind 14 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
Rain showers before 4am, then rain, possibly mixed with snow showers. Areas of fog. Low around 32. Southwest wind 6 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
A chance of rain and snow showers before 8am, then a chance of rain showers. Partly sunny, with a high near 42. Light southeast wind. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday Night
A slight chance of showers before 10pm, then a slight chance of showers after 4am. Partly cloudy, with a low around 33. East northeast wind 3 to 7 mph. Chance of precipitation is 20%.
Saturday
A 30 percent chance of showers, mainly after 10am. Partly sunny, with a high near 46.
Saturday Night
Showers likely, mainly after 4am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Sunday
Rain likely, possibly mixed with snow showers, mainly after 4pm. Mostly cloudy, with a high near 37.
Sunday Night
Rain and snow showers likely, becoming all snow after 7pm. Mostly cloudy, with a low around 29.
Monday
Snow showers likely. Mostly cloudy, with a high near 34.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 23.
Tuesday
A slight chance of snow showers. Mostly sunny, with a high near 36.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
A chance of snow showers. Partly sunny, with a high near 38.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Donner Summit CA
 39.32°N 120.31°W (Elev. 7064 ft)
Last Update:
1:21 am PST Nov 13, 2025
Forecast Valid:
2am 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