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

Flooding Possible in the Southwest U.S.; Coastal Storm to Impact the East

Heavy to excessive rainfall is expected today into Wednesday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. A strong coastal storm will develop off the Mid-Atlantic coast Wednesday, intensifying toward southern New England this weekend. Significant coastal flooding, strong rip currents, and beach erosion from high surf expected. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

72°F

22°C

Humidity 51%
Wind Speed S 14 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 22 Sep 04:28 PM PDT
Extended Forecast for

2 Miles NNW Discovery Bay CA

  • Tonight

    Tonight: Clear, with a low around 56. West southwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92. Calm wind becoming north northwest around 5 mph.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Calm wind becoming west around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. West southwest wind 6 to 9 mph.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 56. West southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 92. Calm wind becoming north northwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 61. Calm wind.
Thursday
Sunny, with a high near 94. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 61. West southwest wind 6 to 9 mph.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 86.
Monday Night
Clear, with a low around 55.
Tuesday
Sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Discovery Bay CA
 37.92°N 121.61°W (Elev. 7 ft)
Last Update:
1:26 pm PDT Sep 22, 2026
Forecast Valid:
7pm PDT Sep 22, 2026-6pm PDT Sep 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation