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

  • Today

    Today: Mostly sunny, with a high near 91. North northwest wind 5 to 8 mph.

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. Southwest wind 8 to 13 mph.

    Low: 67 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 87. West southwest wind 5 to 11 mph.

    High: 87 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. West southwest wind 11 to 14 mph, with gusts as high as 21 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. West wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 91. North northwest wind 5 to 8 mph.
Tonight
Mostly cloudy, with a low around 67. Southwest wind 8 to 13 mph.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 87. West southwest wind 5 to 11 mph.
Monday Night
Partly cloudy, with a low around 64. West southwest wind 11 to 14 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 87. West wind 9 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Clayton CA
 37.95°N 121.85°W (Elev. 1201 ft)
Last Update:
9:17 am PDT Aug 23, 2026
Forecast Valid:
10am PDT Aug 23, 2026-6pm PDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation