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Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

46°F

8°C

Humidity 87%
Wind Speed SE 5 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 12 Apr 10:28 PM PDT
Extended Forecast for

5 Miles SW Brentwood CA

  • Tonight

    Tonight: A 20 percent chance of rain. Partly cloudy, with a low around 47. Southwest wind 3 to 6 mph.

    Low: 47 °F

    Slight Chance
    Rain

  • Monday

    Monday: Sunny, with a high near 63. Calm wind becoming northwest 5 to 9 mph in the morning.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. West wind around 9 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. Southwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

Detailed Forecast

Tonight
A 20 percent chance of rain. Partly cloudy, with a low around 47. Southwest wind 3 to 6 mph.
Monday
Sunny, with a high near 63. Calm wind becoming northwest 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 50. West wind around 9 mph.
Tuesday
Sunny, with a high near 64. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 50. Southwest wind around 10 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Sunny, with a high near 65.
Thursday Night
Clear, with a low around 50.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Brentwood CA
 37.87°N 121.77°W (Elev. 758 ft)
Last Update:
6:36 pm PDT Apr 12, 2026
Forecast Valid:
11pm PDT Apr 12, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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