National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Two Storms Impacting the Central and Eastern U.S. Through This Weekend

Two storm systems will track through the central and eastern U.S. through this weekend with areas of gusty winds, rain, and heavy snow. Severe thunderstorms are forecast Friday from the central Gulf Coast into parts of the lower Mississippi, Tennessee and Ohio Valleys. Heavy to excessive rainfall is forecast from the lower Mississippi River Valley to the Tennessee Valley which may bring flooding. Read More >

Hazardous Weather Conditions

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

43°F

6°C

Humidity 51%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Wind Chill40°F (4°C)
Last update 08 Jan 05:28 PM PST
Extended Forecast for

5 Miles SW Brentwood CA

Cold Weather Advisory January 9, 01:00am until January 9, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 36. Northwest wind 6 to 10 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 48. Northeast wind around 6 mph.

    High: 48 °F

    Sunny

  • Friday Night

    Friday Night: Patchy frost after 2am. Otherwise, mostly clear, with a low around 35. Light east wind.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 9am. Otherwise, mostly sunny, with a high near 50. Northeast wind around 6 mph.

    High: 50 °F

    Areas Frost
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 36. Northwest wind 6 to 10 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 48. Northeast wind around 6 mph.
Friday Night
Patchy frost after 2am. Otherwise, mostly clear, with a low around 35. Light east wind.
Saturday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 50. Northeast wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 38. Calm wind.
Sunday
Mostly cloudy, with a high near 52.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Sunny, with a high near 58.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Brentwood CA
 37.87°N 121.77°W (Elev. 758 ft)
Last Update:
12:26 pm PST Jan 8, 2026
Forecast Valid:
6pm PST Jan 8, 2026-6pm PST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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Chance of Precipitation