Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

43°F

6°C

Humidity 100%
Wind Speed NW 5 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Wind Chill40°F (4°C)
Last update 03 Dec 01:28 AM PST
Extended Forecast for

Brentwood CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. North northwest wind around 6 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 59. North wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 59 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38. Calm wind becoming west northwest around 5 mph.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 54. Light northeast wind.

    High: 54 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. Light and variable wind.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. North northwest wind around 6 mph, with gusts as high as 20 mph.
Wednesday
Increasing clouds, with a high near 59. North wind 7 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 38. Calm wind becoming west northwest around 5 mph.
Thursday
Partly sunny, with a high near 54. Light northeast wind.
Thursday Night
Mostly clear, with a low around 42. Light and variable wind.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 44.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 46.
Sunday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 62.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 47.
Monday
Patchy fog. Otherwise, mostly sunny, with a high near 62.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 46.
Tuesday
Patchy fog. Otherwise, partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Brentwood CA
 37.93°N 121.7°W (Elev. 75 ft)
12:39 am PST Dec 3, 2025
2am PST Dec 3, 2025-6pm PST Dec 9, 2025
 
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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