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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Current conditions at

HELL HOLE (HLLC1)

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

NA

80°F

27°C

Humidity 21%
Wind Speed WSW 10 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Heat Index79°F (26°C)
Last update 29 Jul 07:09 PM PDT
Extended Forecast for

4 Miles SE Donner Summit CA

  • Tonight

    Tonight: Clear, with a low around 48. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 48 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Calm wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 22 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 49. West southwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 22 mph.

    Low: 49 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 53. West southwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 53 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 48. West southwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 78. Calm wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 22 mph.
Thursday Night
Clear, with a low around 49. West southwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 22 mph.
Friday
Sunny, with a high near 82. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Clear, with a low around 53. West southwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 80.
Sunday Night
Clear, with a low around 51.
Monday
Sunny, with a high near 80.
Monday Night
Clear, with a low around 52.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Clear, with a low around 54.
Wednesday
Sunny, with a high near 80.
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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:
2:00 pm PDT Jul 29, 2026
Forecast Valid:
7pm PDT Jul 29, 2026-6pm PDT Aug 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation