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

47°F

8°C

Humidity 78%
Wind Speed NNE 9 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Wind Chill43°F (6°C)
Last update 15 Feb 04:28 AM PST
Extended Forecast for

Brentwood CA

  • Today

    Today: Rain, mainly after 2pm.  High near 62. South southeast wind 7 to 16 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance Rain
    then Rain

  • Tonight

    Tonight: Rain.  Low around 48. Southeast wind around 6 mph becoming southwest after midnight.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain

  • Washington's Birthday

    Washington's Birthday: Rain.  High near 52. North northeast wind 7 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 52 °F

    Rain

  • Monday Night

    Monday Night: Rain, mainly after 4am.  Low around 42. West wind around 10 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain

  • Tuesday

    Tuesday: Rain before 1pm, then showers and possibly a thunderstorm after 1pm.  High near 49. South southwest wind 11 to 20 mph, with gusts as high as 32 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 49 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm before 10pm, then rain likely.  Low around 38. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 38 °F

    Showers then
    Rain Likely

  • Wednesday

    Wednesday: Rain likely, mainly after 10am.  Mostly cloudy, with a high near 51. Chance of precipitation is 70%.

    High: 51 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly before 10am.  Partly sunny, with a high near 50.

    High: 50 °F

    Rain Likely

Detailed Forecast

Today
Rain, mainly after 2pm. High near 62. South southeast wind 7 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Low around 48. Southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Washington's Birthday
Rain. High near 52. North northeast wind 7 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Rain, mainly after 4am. Low around 42. West wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 49. South southwest wind 11 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Rain and possibly a thunderstorm before 10pm, then rain likely. Low around 38. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 51. Chance of precipitation is 70%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 39.
Thursday
Rain likely, mainly before 10am. Partly sunny, with a high near 50.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 38.
Friday
A chance of rain. Partly sunny, with a high near 52.
Friday Night
A chance of rain. Mostly cloudy, with a low around 39.
Saturday
A chance of rain. Partly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Brentwood CA
 37.93°N 121.7°W (Elev. 75 ft)
3:03 am PST Feb 15, 2026
5am PST Feb 15, 2026-6pm PST Feb 21, 2026
 
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