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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. Some snow and a wintry mix is occurring today to the north. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

49°F

9°C

Humidity 63%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 05 Dec 08:28 AM PST
Extended Forecast for

5 Miles SW Brentwood CA

Dense Fog Advisory December 5, 09:07am until December 5, 11:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory December 5, 09:07am until December 5, 11:00am

    NOW until 11:00am Fri

    Dense Fog Advisory

  • Today

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Calm wind becoming southwest around 5 mph after midnight.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 58. Calm wind becoming north around 6 mph in the morning.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46. West wind around 6 mph.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 60. West wind around 5 mph becoming light and variable.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 56. Calm wind becoming northeast around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 42. Calm wind becoming southwest around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 58. Calm wind becoming north around 6 mph in the morning.
Saturday Night
Mostly clear, with a low around 46. West wind around 6 mph.
Sunday
Mostly sunny, with a high near 60. West wind around 5 mph becoming light and variable.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Mostly sunny, with a high near 62.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Brentwood CA
 37.87°N 121.77°W (Elev. 758 ft)
Last Update:
1:40 am PST Dec 5, 2025
Forecast Valid:
9am PST Dec 5, 2025-6pm PST Dec 11, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation