Lowell to Impact Hawaii; Heat Persists in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai`s coastal waters tonight. Impacts such as high surf and heavy rain could impact all of the islands. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley into this week with limited nighttime relief. Periods of moderate to heavy rainfall will be possible through Tuesday morning in the northern Rockies. 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

Antioch CA

Heat Advisory September 9, 10:00am until September 10, 10:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Clear, with a low around 64. West wind 5 to 7 mph becoming calm  after midnight.

    Low: 64 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. Calm wind becoming north northwest 5 to 8 mph in the morning.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 72. West wind 3 to 5 mph.

    Low: 72 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny and hot, with a high near 98. Light and variable wind becoming north 5 to 8 mph in the morning.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76. West southwest wind 5 to 8 mph.

    Low: 76 °F

    Partly Cloudy

  • Thursday

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

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

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

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 64. West wind 5 to 7 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 94. Calm wind becoming north northwest 5 to 8 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 72. West wind 3 to 5 mph.
Wednesday
Partly sunny and hot, with a high near 98. Light and variable wind becoming north 5 to 8 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 76. West southwest wind 5 to 8 mph.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Antioch CA
 38°N 121.81°W (Elev. 36 ft)
1:25 pm PDT Sep 7, 2026
8pm PDT Sep 7, 2026-6pm PDT Sep 14, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database