Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

70°F

21°C

Humidity 26%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 15 Mar 10:28 PM PDT
Extended Forecast for

5 Miles SW Brentwood CA

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

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

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 84. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 61. West northwest wind around 5 mph becoming calm  after midnight.

    Low: 61 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 63. North wind around 5 mph becoming calm  in the evening.

    Low: 63 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 59. West northwest wind 3 to 6 mph.
Monday
Sunny, with a high near 84. Calm wind becoming north northwest around 6 mph in the afternoon.
Monday Night
Clear, with a low around 61. West northwest wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 87. Calm wind becoming northeast around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 63. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Clear, with a low around 64.
Thursday
Sunny, with a high near 91.
Thursday Night
Clear, with a low around 64.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 63.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Mostly cloudy, with a low around 58.
Sunday
Partly sunny, with a high near 80.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Brentwood CA
 37.87°N 121.77°W (Elev. 758 ft)
1:25 pm PDT Mar 15, 2026
10pm PDT Mar 15, 2026-6pm PDT Mar 22, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database