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

3 Miles NE Brentwood CA

Cold Weather Advisory February 21, 03:29am until February 21, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory February 21, 03:29am until February 21, 09:00am

    NOW until 9:00am Sat

    Cold Weather Advisory

  • Overnight

    Low: 34 °F

    Patchy Frost

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 59. Southeast wind 6 to 9 mph.

    High: 59 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. Southeast wind around 6 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65. Southeast wind around 7 mph.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42. Light northwest wind.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain after 10pm.  Cloudy, with a low around 53.

    Low: 53 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely.  Cloudy, with a high near 60.

    High: 60 °F

    Rain Likely

Detailed Forecast

Overnight
Patchy frost. Otherwise, mostly cloudy, with a low around 34. Southeast wind around 5 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 59. Southeast wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 38. Southeast wind around 6 mph.
Sunday
Partly sunny, with a high near 65. Southeast wind around 7 mph.
Sunday Night
Mostly cloudy, with a low around 42. Light northwest wind.
Monday
Partly sunny, with a high near 65.
Monday Night
A 40 percent chance of rain after 10pm. Cloudy, with a low around 53.
Tuesday
Rain likely. Cloudy, with a high near 60.
Tuesday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 53.
Wednesday
A chance of rain, mainly after 4pm. Mostly cloudy, with a high near 63.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Thursday
A slight chance of rain. Partly sunny, with a high near 66.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Brentwood CA
 37.96°N 121.65°W (Elev. 20 ft)
12:26 am PST Feb 21, 2026
3am 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