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

40°F

4°C

Humidity 73%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 21 Feb 02:28 AM PST
Extended Forecast for

5 Miles SW Brentwood CA

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

    NOW until 9:00am Sat

    Cold Weather Advisory

  • Overnight

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 57. Southeast wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 57 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42. South southeast wind around 8 mph.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62. South southeast wind around 6 mph.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45. Light northwest wind.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Monday Night

    Monday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

    Low: 54 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 58.

    High: 58 °F

    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. South southeast wind around 6 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 57. Southeast wind 6 to 9 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 42. South southeast wind around 8 mph.
Sunday
Partly sunny, with a high near 62. South southeast wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 45. Light northwest wind.
Monday
Partly sunny, with a high near 63.
Monday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Tuesday
Rain. Cloudy, with a high near 58.
Tuesday Night
Rain, mainly before 10pm. Cloudy, with a low around 54.
Wednesday
A chance of rain, mainly before 10am. Mostly cloudy, with a high near 62.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Thursday
A slight chance of rain. Partly sunny, with a high near 64.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 66.
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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 Feb 21, 2026
2am PST Feb 21, 2026-6pm PST Feb 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database