Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

62°F

17°C

Humidity 57%
Wind Speed S 8 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 15 Mar 03:28 AM PDT
Extended Forecast for

5 Miles W Brentwood CA

Heat Advisory March 16, 10:00am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny, with a high near 83. North northwest wind 6 to 9 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. West northwest wind 3 to 6 mph.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 60. North northwest wind around 5 mph becoming light and variable  after midnight.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 83. North northwest wind 6 to 9 mph.
Tonight
Mostly clear, with a low around 59. West northwest wind 3 to 6 mph.
Monday
Sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon.
Monday Night
Clear, with a low around 60. North northwest wind around 5 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 88. Calm wind becoming north northeast around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 62.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Clear, with a low around 63.
Thursday
Sunny, with a high near 92.
Thursday Night
Clear, with a low around 64.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 90.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Brentwood CA
 37.92°N 121.79°W (Elev. 400 ft)
2:40 am PDT Mar 15, 2026
4am PDT Mar 15, 2026-6pm PDT Mar 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database