Arctic Air Spreads South and East from Rockies Friday through Next Week; Snow Squalls Possible.

Arctic air plunges across the Rockies and Great Plains Friday, crossing the Deep South and Great Lakes Saturday night, and the Eastern Seaboard on Sunday bringing dangerously cold wind chill temperatures. Brief and intense bursts of snow and gusty winds in snow squalls could lead to reduced visibility and deteriorating road conditions across the northern Plains into the Rockies through Friday. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

53°F

12°C

Humidity 56%
Wind Speed NW 5 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 16 Jan 05:28 PM PST
Extended Forecast for

Brentwood CA

Frost Advisory January 17, 01:00am until January 17, 09:00am
Click here for hazard details and duration
Frost Advisory
  • Tonight

    Tonight: Clear, with a low around 38. Calm wind.

    Low: 38 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 60. Calm wind becoming west around 5 mph in the afternoon.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 40. Light west wind.

    Low: 40 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, sunny, with a high near 58. Light and variable wind.

    High: 58 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 58.

    High: 58 °F

    Patchy Fog
    then Sunny

  • Sunday Night

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

    Low: 39 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Monday Night

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

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 38. Calm wind.
Friday
Sunny, with a high near 60. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 40. Light west wind.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 58. Light and variable wind.
Saturday Night
Mostly clear, with a low around 37. Calm wind.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 39.
M.L.King Day
Mostly sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Sunny, with a high near 61.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Brentwood CA
 37.93°N 121.7°W (Elev. 75 ft)
12:26 pm PST Jan 16, 2025
6pm PST Jan 16, 2025-6pm PST Jan 23, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database