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 72%
Wind Speed E 8 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 15 Feb 12:28 AM PST
Extended Forecast for

Brentwood CA

  • Overnight

    Overnight: A 20 percent chance of rain.  Mostly cloudy, with a steady temperature around 48. South southeast wind around 6 mph.

    Low: 48 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Rain, mainly after 1pm.  High near 62. Southeast wind 8 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain.  Low around 48. East southeast wind 5 to 8 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 48 °F

    Rain

  • Washington's Birthday

    Washington's Birthday: Rain.  High near 51. North wind 6 to 10 mph.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 51 °F

    Rain

  • Monday Night

    Monday Night: Rain.  Low around 43. West southwest wind 9 to 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain

  • Tuesday

    Tuesday: Rain.  High near 49. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 4am.  Low around 39. Chance of precipitation is 80%.

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 10am.  Mostly cloudy, with a high near 52.

    High: 52 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Rain Likely

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a steady temperature around 48. South southeast wind around 6 mph.
Sunday
Rain, mainly after 1pm. High near 62. Southeast wind 8 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Low around 48. East southeast wind 5 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Washington's Birthday
Rain. High near 51. North wind 6 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Rain. Low around 43. West southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. High near 49. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain, mainly before 4am. Low around 39. Chance of precipitation is 80%.
Wednesday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 52.
Wednesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 38.
Thursday
A chance of rain. Partly sunny, with a high near 52.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 37.
Friday
A chance of rain. Partly sunny, with a high near 53.
Friday Night
A chance of rain. Mostly cloudy, with a low around 40.
Saturday
A chance of rain. Partly sunny, with a high near 56.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Brentwood CA
 37.93°N 121.7°W (Elev. 75 ft)
12:27 am PST Feb 15, 2026
1am PST Feb 15, 2026-6pm PST Feb 21, 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