Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

45°F

7°C

Humidity 68%
Wind Speed N 8 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 20 Feb 11:28 AM PST
Extended Forecast for

Brentwood CA

Cold Weather Advisory February 21, 01:00am until February 21, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  • Today

    Today: Partly sunny, with a high near 52. Light east southeast wind.

    High: 52 °F

    Partly Sunny

  • Tonight

    Tonight: Areas of frost before 2am, then areas of frost after 3am.  Otherwise, partly cloudy, with a low around 35. Southeast wind 3 to 5 mph.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 59. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 59 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Southeast wind around 8 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65. Southeast wind around 9 mph.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain.  Cloudy, with a low around 54.

    Low: 54 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 59.

    High: 59 °F

    Rain

Detailed Forecast

Today
Partly sunny, with a high near 52. Light east southeast wind.
Tonight
Areas of frost before 2am, then areas of frost after 3am. Otherwise, partly cloudy, with a low around 35. Southeast wind 3 to 5 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 59. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 40. Southeast wind around 8 mph.
Sunday
Partly sunny, with a high near 65. Southeast wind around 9 mph.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Mostly cloudy, with a high near 65.
Monday Night
A chance of rain. Cloudy, with a low around 54.
Tuesday
Rain. Cloudy, with a high near 59.
Tuesday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 53.
Wednesday
A chance of rain. Mostly cloudy, with a high near 62.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Thursday
A chance of rain. Partly sunny, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Brentwood CA
 37.93°N 121.7°W (Elev. 75 ft)
11:40 am PST Feb 20, 2026
11am PST Feb 20, 2026-6pm PST Feb 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database