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

Another Round of Heavy Rain and Mountain Snow in California; Snow in the Great Lakes and Northeast

Another round of heavy rainfall will renew concerns for additional flash flooding and landslides in southern California around burn scars and coastal mountain ranges. A low pressure system is bringing enhanced snowfall downwind from the lower Great Lakes into the Northeast mountain ranges. Above average temperatures will challenge or break daily record high temperatures across the southern Plains. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

50°F

10°C

Humidity 95%
Wind Speed S 14 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 17 Nov 01:28 AM PST
Extended Forecast for

Brentwood CA

  • Overnight

    Overnight: Rain. Low around 52. South wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 4pm. Mostly cloudy, with a high near 59. West wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Rain Likely

  • Monday Night

    Monday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 47. Southwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 60. Northwest wind around 6 mph.

    High: 60 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A slight chance of rain before 10pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Overnight
Rain. Low around 52. South wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 59. West wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 47. Southwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 60. Northwest wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 46. Calm wind.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 50.
Thursday
A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 60.
Thursday Night
A slight chance of rain before 10pm. Mostly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Mostly sunny, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brentwood CA
 37.93°N 121.7°W (Elev. 75 ft)
Last Update:
12:26 am PST Nov 17, 2025
Forecast Valid:
2am PST Nov 17, 2025-6pm PST Nov 23, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation