Above Average Temperatures for Most Today; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures are forecast today into Wednesday over most of the lower 48 states away from the Gulf Coast. A storm system passing across southern Canada will bring a wintry mix to the upper Great Lakes today. A trailing cold front will then bring the wintry mix from the central Appalachians through the Northeast U.S. Wednesday and Thursday. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

54°F

12°C

Humidity 42%
Wind Speed N 10 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 13 Jan 05:28 AM PST
Extended Forecast for

5 Miles SW Brentwood CA

Cold Weather Advisory until January 13, 09:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory until January 13, 09:00am

    NOW until 9:00am Tue

    Cold Weather Advisory

  • Today

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 57. Northeast wind 3 to 6 mph.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. East northeast wind 3 to 5 mph.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 59. Northeast wind around 6 mph.

    High: 59 °F

    Sunny

  • Thursday Night

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

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 57. Light and variable wind becoming north northeast around 6 mph in the morning.
Tonight
Mostly clear, with a low around 42. Calm wind.
Wednesday
Sunny, with a high near 57. Northeast wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 42. East northeast wind 3 to 5 mph.
Thursday
Sunny, with a high near 59. Northeast wind around 6 mph.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 42.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 44.
M.L.King Day
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Brentwood CA
 37.87°N 121.77°W (Elev. 758 ft)
12:26 am PST Jan 13, 2026
6am PST Jan 13, 2026-6pm PST Jan 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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