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

BLACK DIAMOND (PIBC1)

Lat: 37.95°NLon: 121.88444°WElev: 1600.0ft.

NA

N/A

Humidity 25%
Wind Speed SE 9 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 10 Aug 02:28 AM PDT
Extended Forecast for

4 Miles ENE Clayton CA

  • Tonight

    Tonight: Mostly clear, with a low around 61. Southwest wind 9 to 14 mph, with gusts as high as 18 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 87. West southwest wind 5 to 9 mph becoming northwest in the morning.

    High: 87 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 62. Southwest wind 10 to 13 mph, with gusts as high as 18 mph.

    Low: 62 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 82. West southwest wind 11 to 13 mph, with gusts as high as 22 mph.

    High: 82 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. West southwest wind 13 to 15 mph, with gusts as high as 23 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 61. Southwest wind 9 to 14 mph, with gusts as high as 18 mph.
Sunday
Increasing clouds, with a high near 87. West southwest wind 5 to 9 mph becoming northwest in the morning.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 62. Southwest wind 10 to 13 mph, with gusts as high as 18 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 82. West southwest wind 11 to 13 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 59. West southwest wind 13 to 15 mph, with gusts as high as 23 mph.
Tuesday
Partly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Clayton CA
 37.95°N 121.88°W (Elev. 1358 ft)
Last Update:
3:12 pm PDT Aug 22, 2026
Forecast Valid:
10pm PDT Aug 22, 2026-6pm PDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

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