Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

42°F

6°C

Humidity 100%
Wind Speed S 10 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 27 Dec 08:28 AM PST
Extended Forecast for

5 Miles SW Brentwood CA

  • Today

    Today: Mostly sunny, with a high near 49. North northwest wind 6 to 8 mph.

    High: 49 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. West northwest wind around 6 mph.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 48. North wind around 6 mph.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. Calm wind becoming north around 5 mph after midnight.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 49. Northeast wind around 6 mph.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of rain after 4pm.  Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny
    then Slight
    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 49. North northwest wind 6 to 8 mph.
Tonight
Partly cloudy, with a low around 39. West northwest wind around 6 mph.
Sunday
Sunny, with a high near 48. North wind around 6 mph.
Sunday Night
Mostly clear, with a low around 38. Calm wind becoming north around 5 mph after midnight.
Monday
Sunny, with a high near 49. Northeast wind around 6 mph.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
A slight chance of rain after 4pm. Partly sunny, with a high near 50.
Wednesday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 43.
New Year's Day
A chance of rain. Mostly cloudy, with a high near 49.
Thursday Night
Rain likely. Mostly cloudy, with a low around 46.
Friday
A chance of rain. Mostly cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Brentwood CA
 37.87°N 121.77°W (Elev. 758 ft)
7:59 am PST Dec 27, 2025
9am PST Dec 27, 2025-6pm PST Jan 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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