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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

HELL HOLE (HLLC1)

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

NA

87°F

31°C

Humidity 20%
Wind Speed WSW 6 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Heat Index84°F (29°C)
Last update 21 Aug 03:09 PM PDT
Extended Forecast for

4 Miles SE Donner Summit CA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 52. South southwest wind 3 to 8 mph. Winds could gust as high as 21 mph.

    Low: 52 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 73. Southwest wind 6 to 11 mph, with gusts as high as 30 mph.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. Southwest wind 5 to 9 mph becoming light south after midnight. Winds could gust as high as 28 mph.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 74. Southwest wind 5 to 9 mph, with gusts as high as 26 mph.

    High: 74 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52. West southwest wind 5 to 9 mph becoming light and variable in the evening. Winds could gust as high as 24 mph.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 52. South southwest wind 3 to 8 mph. Winds could gust as high as 21 mph.
Saturday
Sunny, with a high near 73. Southwest wind 6 to 11 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 51. Southwest wind 5 to 9 mph becoming light south after midnight. Winds could gust as high as 28 mph.
Sunday
Mostly sunny, with a high near 74. Southwest wind 5 to 9 mph, with gusts as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 52. West southwest wind 5 to 9 mph becoming light and variable in the evening. Winds could gust as high as 24 mph.
Monday
Mostly sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 72.
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Forecast Area
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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 Aug 21, 2026
Forecast Valid:
3pm PDT Aug 21, 2026-6pm PDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

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