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

41°F

5°C

Humidity 51%
Wind Speed WNW 7 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 09 Jan 01:28 AM PST
Extended Forecast for

5 Miles SW Brentwood CA

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

    NOW until 9:00am Fri

    Cold Weather Advisory

  • Overnight

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 48. West northwest wind around 6 mph becoming northeast in the afternoon.

    High: 48 °F

    Sunny

  • Friday Night

    Friday Night: Patchy frost after 4am. Otherwise, mostly clear, with a low around 36. Light east wind.

    Low: 36 °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: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Sunday Night

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

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. Northwest wind around 7 mph.
Friday
Sunny, with a high near 48. West northwest wind around 6 mph becoming northeast in the afternoon.
Friday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 36. 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
Partly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 38.
Monday
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 44.
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 am PST Jan 9, 2026
Forecast Valid:
2am PST Jan 9, 2026-6pm PST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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