Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

Current conditions at

HELL HOLE (HLLC1)

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

NA

49°F

9°C

Humidity 99%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Wind Chill47°F (8°C)
Last update 29 Sep 10:09 PM PDT
Extended Forecast for

7 Miles SSW Donner Summit CA

  • Tonight

    Tonight: A 40 percent chance of showers, mainly before 5am.  Cloudy, with a steady temperature around 44. South southwest wind 8 to 10 mph, with gusts as high as 23 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 11am.  Mostly cloudy, with a steady temperature around 43. South southwest wind 9 to 11 mph, with gusts as high as 28 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 43 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 40. South southwest wind 8 to 10 mph, with gusts as high as 25 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers.  Mostly cloudy, with a high near 46. South southwest wind around 8 mph, with gusts as high as 22 mph.  New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 42. South southwest wind around 8 mph, with gusts as high as 18 mph.

    Low: 42 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 11am.  Partly sunny, with a high near 50.

    High: 50 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
A 40 percent chance of showers, mainly before 5am. Cloudy, with a steady temperature around 44. South southwest wind 8 to 10 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a steady temperature around 43. South southwest wind 9 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 40. South southwest wind 8 to 10 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 46. South southwest wind around 8 mph, with gusts as high as 22 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 42. South southwest wind around 8 mph, with gusts as high as 18 mph.
Thursday
A 30 percent chance of showers, mainly before 11am. Partly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 38.
Monday
Mostly sunny, with a high near 52.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Donner Summit CA
 39.25°N 120.47°W (Elev. 7329 ft)
10:22 pm PDT Sep 29, 2025
10pm PDT Sep 29, 2025-6pm PDT Oct 6, 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