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

Thunderstorms and Heavy Rain Across the Southern and Eastern US; Heat and Fire Weather Concerns in the West

Showers and thunderstorms are expected across the southern and eastern US this week, with heavy rain and localized flooding, particularly near the Gulf Coast. Monsoonal moisture will bring rain and potential flooding to parts of the Southwest. Heat and fire weather threats will continue to impact the West. Read More >

Current conditions at

HELL HOLE (HLLC1)

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

NA

63°F

17°C

Humidity 56%
Wind Speed WNW 5 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 30 Jun 09:09 PM PDT
Extended Forecast for

Donner Summit CA

  • Tonight

    Tonight: Mostly clear, with a low around 50. West northwest wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after 11am. Sunny, with a high near 75. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 75 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Partly cloudy, with a low around 50. West wind around 6 mph becoming calm in the evening.

    Low: 50 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 75. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 20%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 50. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers after 11am. Sunny, with a high near 75. Calm wind becoming west southwest around 6 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 50. West wind around 6 mph becoming calm in the evening.
Wednesday
A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 75. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 20%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly clear, with a low around 49. West southwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 45.
Independence Day
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 71.
Saturday Night
Clear, with a low around 46.
Sunday
Sunny, with a high near 74.
Sunday Night
Clear, with a low around 47.
Monday
Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Donner Summit CA
 39.33°N 120.37°W (Elev. 6965 ft)
Last Update:
5:21 pm PDT Jun 30, 2025
Forecast Valid:
9pm PDT Jun 30, 2025-6pm PDT Jul 7, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation