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

Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

58°F

14°C

Humidity 61%
Wind Speed SSW 9 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 15 Apr 11:28 AM PDT
Extended Forecast for

5 Miles W Brentwood CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 69. West wind around 11 mph, with gusts as high as 22 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. West wind 8 to 14 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68. North northwest wind 10 to 17 mph, with gusts as high as 29 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 50. North northwest wind 10 to 14 mph, with gusts as high as 30 mph.

    Low: 50 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 72. North northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain. Partly sunny, with a high near 72.

    High: 72 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 69. West wind around 11 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 48. West wind 8 to 14 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 68. North northwest wind 10 to 17 mph, with gusts as high as 29 mph.
Thursday Night
Clear, with a low around 50. North northwest wind 10 to 14 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 72. North northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
A slight chance of rain. Partly sunny, with a high near 72.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 52.
Monday
A chance of rain. Partly sunny, with a high near 67.
Monday Night
A chance of rain. Mostly cloudy, with a low around 53.
Tuesday
A chance of rain. Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Brentwood CA
 37.92°N 121.79°W (Elev. 400 ft)
Last Update:
11:26 am PDT Apr 15, 2026
Forecast Valid:
12pm PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation