Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

HELL HOLE (HLLC1)

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

NA

71°F

22°C

Humidity 27%
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 26 Aug 09:09 PM PDT
Extended Forecast for

Donner Summit CA

  • Tonight

    Tonight: Mostly clear, with a low around 52. Southwest wind 5 to 7 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 75. Southwest wind 6 to 9 mph, with gusts as high as 26 mph.

    High: 75 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after 4am.  Mostly cloudy, with a low around 51. Southwest wind 5 to 8 mph, with gusts as high as 24 mph.

    Low: 51 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: Rain likely before 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 64. South wind around 7 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of rain before 11pm.  Partly cloudy, with a low around 45. South wind 5 to 7 mph, with gusts as high as 22 mph.

    Low: 45 °F

    Chance Rain
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Sunday Night

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

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Southwest wind 5 to 7 mph.
Thursday
Increasing clouds, with a high near 75. Southwest wind 6 to 9 mph, with gusts as high as 26 mph.
Thursday Night
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 51. Southwest wind 5 to 8 mph, with gusts as high as 24 mph.
Friday
Rain likely before 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 64. South wind around 7 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A 40 percent chance of rain before 11pm. Partly cloudy, with a low around 45. South wind 5 to 7 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 68.
Saturday Night
Clear, with a low around 42.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
A slight chance of rain. Sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Donner Summit CA
 39.33°N 120.37°W (Elev. 6965 ft)
2:00 pm PDT Aug 26, 2026
9pm PDT Aug 26, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database