Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

80°F

27°C

Humidity 27%
Wind Speed NNE 2 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Heat Index79°F (26°C)
Last update 08 Sep 10:28 PM PDT
Extended Forecast for

2 Miles E Antioch CA

Heat Advisory September 8, 10:52pm until September 10, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 8, 10:52pm until September 10, 10:00pm

    NOW until 10:00pm Thu

    Heat Advisory

  • Tonight

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 95. West northwest wind 3 to 8 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. West southwest wind 6 to 8 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. West wind 6 to 15 mph, with gusts as high as 25 mph.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67. West southwest wind around 15 mph, with gusts as high as 24 mph.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 74. West northwest wind 3 to 6 mph.
Wednesday
Sunny, with a high near 95. West northwest wind 3 to 8 mph.
Wednesday Night
Mostly clear, with a low around 77. West southwest wind 6 to 8 mph.
Thursday
Sunny, with a high near 90. West wind 6 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 67. West southwest wind around 15 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 83.
Sunday Night
Clear, with a low around 61.
Monday
Sunny, with a high near 82.
Monday Night
Clear, with a low around 61.
Tuesday
Sunny, with a high near 80.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Antioch CA
 38.01°N 121.78°W (Elev. 23 ft)
1:25 pm PDT Sep 8, 2026
10pm PDT Sep 8, 2026-6pm PDT Sep 15, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database