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 | 27% |
| Wind Speed | SSE 8 MPH |
| Barometer | NA |
| Dewpoint | 47°F (8°C) |
| Visibility | NA |
| Heat Index | 83°F (28°C) |
| Last update | 22 Aug 07:28 PM PDT |
Extended Forecast for
4 Miles NNW Discovery Bay CA
Heat Advisory August 22, 08:42pm until August 23, 09:00pm
NOW until 9:00pm Sat
Heat Advisory
Tonight
Low: 64 °F
Partly Cloudy
Saturday
High: 99 °F
Hot
Saturday Night
Low: 63 °F
Mostly Clear
Sunday
High: 96 °F
Hot
Sunday Night
Low: 61 °F
Mostly Clear
Monday
High: 95 °F
Sunny
Monday Night
Low: 62 °F
Mostly Clear
Tuesday
High: 95 °F
Sunny
Detailed Forecast
Tonight
Partly cloudy, with a low around 64. West wind 5 to 8 mph becoming east northeast after midnight.
Saturday
Sunny and hot, with a high near 99. Light northwest wind becoming west northwest 9 to 14 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 63. Northwest wind 6 to 14 mph.
Sunday
Sunny and hot, with a high near 96. East northeast wind 5 to 11 mph becoming west northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 61. West wind 6 to 14 mph becoming southeast after midnight.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 92.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles NNW Discovery Bay CA
37.97°N 121.63°W (Elev. 3 ft)
37.97°N 121.63°W (Elev. 3 ft)
1:26 pm PDT Aug 22, 2025
8pm PDT Aug 22, 2025-6pm PDT Aug 29, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
