Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

69°F

21°C

Humidity 52%
Wind Speed WNW 1 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 13 Mar 12:28 PM PDT
Extended Forecast for

Brentwood CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 77. Northwest wind 3 to 6 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 50. West southwest wind around 6 mph.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80. West southwest wind 5 to 8 mph becoming north northwest in the afternoon.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. West wind around 7 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85. North northwest wind 6 to 8 mph.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 77. Northwest wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 50. West southwest wind around 6 mph.
Saturday
Sunny, with a high near 80. West southwest wind 5 to 8 mph becoming north northwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 54. West wind around 7 mph.
Sunday
Mostly sunny, with a high near 85. North northwest wind 6 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 57.
Monday
Sunny, with a high near 87.
Monday Night
Clear, with a low around 59.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Clear, with a low around 61.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Clear, with a low around 61.
Thursday
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Brentwood CA
 37.93°N 121.7°W (Elev. 75 ft)
11:28 am PDT Mar 13, 2026
12pm PDT Mar 13, 2026-6pm PDT Mar 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database