Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

49°F

9°C

Humidity 95%
Wind Speed SSE 7 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 13 Feb 06:28 PM PST
Extended Forecast for

Brentwood CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 62. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 62 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46. West wind around 5 mph becoming southeast after midnight.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 1pm.  Mostly cloudy, with a high near 62. South southeast wind 7 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers.  Low around 47. Southeast wind around 6 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers

  • Washington's Birthday

    Washington's Birthday: Showers, with thunderstorms also possible after 4pm.  High near 53. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 53 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm.  Low around 44. Chance of precipitation is 100%.

    Low: 44 °F

    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm.  Cloudy, with a high near 50.

    High: 50 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 10pm, then showers likely.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 43. West southwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 62. Calm wind becoming south southwest around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 46. West wind around 5 mph becoming southeast after midnight.
Sunday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 62. South southeast wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers. Low around 47. Southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Washington's Birthday
Showers, with thunderstorms also possible after 4pm. High near 53. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 44. Chance of precipitation is 100%.
Tuesday
Showers and possibly a thunderstorm. Cloudy, with a high near 50.
Tuesday Night
Showers and possibly a thunderstorm before 10pm, then showers likely. Mostly cloudy, with a low around 40.
Wednesday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 51.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 38.
Thursday
A chance of showers. Partly sunny, with a high near 54.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 38.
Friday
A chance of showers. Partly sunny, with a high near 54.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Brentwood CA
 37.93°N 121.7°W (Elev. 75 ft)
2:13 pm PST Feb 13, 2026
7pm PST Feb 13, 2026-6pm PST Feb 20, 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