



Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest
A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >
Hazardous Weather Conditions
Current conditions at
BLACK DIAMOND (PIBC1)
Lat: 37.95°NLon: 121.88444°WElev: 1600.0ft.NA
85°F
29°C
Humidity | 28% |
Wind Speed | S 5 MPH |
Barometer | NA |
Dewpoint | 48°F (9°C) |
Visibility | NA |
Heat Index | 83°F (28°C) |
Last update | 22 Aug 11:28 AM PDT |
Extended Forecast for
Antioch CA
Heat Advisory August 22, 12:31pm until August 23, 09:00pm
NOW until 9:00pm Sat
Heat Advisory
This Afternoon
High: 99 °F
Hot
Tonight
Low: 68 °F
Partly Cloudy
Saturday
High: 94 °F
Sunny
Saturday Night
Low: 66 °F
Mostly Clear
Sunday
High: 90 °F
Sunny
Sunday Night
Low: 64 °F
Mostly Clear
Monday
High: 90 °F
Sunny
Monday Night
Low: 65 °F
Clear
Detailed Forecast
This Afternoon
Sunny and hot, with a high near 99. Northwest wind 11 to 14 mph.
Tonight
Partly cloudy, with a low around 68. West wind 8 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 94. West northwest wind 11 to 14 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 66. West wind 8 to 17 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 90. West northwest wind 9 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 90.
Monday Night
Clear, with a low around 65.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 88.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Antioch CA
38°N 121.81°W (Elev. 36 ft)
38°N 121.81°W (Elev. 36 ft)
2:50 am PDT Aug 22, 2025
12pm PDT Aug 22, 2025-6pm PDT Aug 28, 2025