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

Dangerous Surf and Rip Currents Along East Coast Beaches; Hazardous Heat in the West

Tropical storm conditions, storm surge flooding and coastal flooding will continue into Thursday across the Outer Banks and into portions of the Mid-Atlantic coastline. Life-threatening rip currents and high surf will continue to impact much of the Atlantic shoreline through the end of the week. Hazardous, record heat will continue across the Western U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

89°F

32°C

Humidity 24%
Wind Speed S 17 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Heat Index86°F (30°C)
Last update 20 Aug 05:28 PM PDT
Extended Forecast for

Antioch CA

Heat Advisory August 21, 10:00am until August 22, 10:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 68. West wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100. West northwest wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66. West southwest wind 6 to 9 mph.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 98. West wind 6 to 9 mph.

    High: 98 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 67. West southwest wind 7 to 11 mph, with gusts as high as 18 mph.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Saturday Night

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

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 68. West wind 6 to 11 mph, with gusts as high as 21 mph.
Thursday
Sunny and hot, with a high near 100. West northwest wind 5 to 10 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 66. West southwest wind 6 to 9 mph.
Friday
Sunny and hot, with a high near 98. West wind 6 to 9 mph.
Friday Night
Mostly clear, with a low around 67. West southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Saturday
Sunny and hot, with a high near 96.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Antioch CA
 38°N 121.81°W (Elev. 36 ft)
Last Update:
2:32 pm PDT Aug 20, 2025
Forecast Valid:
6pm PDT Aug 20, 2025-6pm PDT Aug 27, 2025
 
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Additional Resources

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