Heavy Rain Across the Southern US; Unsettled Pattern in the Pacific Northwest

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains Friday, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. High elevation snow and mixed precipitation and rain in the lower elevations will impact the Pacific Northwest this weekend before a stronger system moves in early next week. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

50°F

10°C

Humidity 83%
Wind Speed S 7 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Wind Chill47°F (8°C)
Last update 13 Feb 12:28 AM PST
Extended Forecast for

Brentwood CA

  • Overnight

    Overnight: Mostly clear, with a low around 43. West wind 3 to 5 mph.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 61. Calm wind becoming south around 5 mph in the afternoon.

    High: 61 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 4am.  Mostly cloudy, with a low around 45. West southwest wind around 6 mph becoming southeast after midnight.

    Low: 45 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly after 10am.  Mostly cloudy, with a high near 61. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain.  Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Rain

  • Washington's Birthday

    Washington's Birthday: Rain.  Cloudy, with a high near 53.

    High: 53 °F

    Rain

  • Monday Night

    Monday Night: Rain.  Cloudy, with a low around 44.

    Low: 44 °F

    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 43. West wind 3 to 5 mph.
Friday
Sunny, with a high near 65. Calm wind becoming west northwest around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 43. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 61. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 45. West southwest wind around 6 mph becoming southeast after midnight.
Sunday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 61. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Low around 48. Chance of precipitation is 80%.
Washington's Birthday
Rain. Cloudy, with a high near 53.
Monday Night
Rain. Cloudy, with a low around 44.
Tuesday
Rain. Cloudy, with a high near 51.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 40.
Wednesday
Rain likely. Mostly cloudy, with a high near 52.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 39.
Thursday
A chance of rain. Mostly cloudy, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Brentwood CA
 37.93°N 121.7°W (Elev. 75 ft)
12:36 am PST Feb 13, 2026
1am PST Feb 13, 2026-6pm PST Feb 19, 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