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

42°F

6°C

Humidity 70%
Wind Speed NNE 11 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 20 Feb 08:28 PM PST
Extended Forecast for

2 Miles NW Brentwood CA

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

    Tonight: Areas of frost before 2am, then patchy frost after 3am.  Otherwise, increasing clouds, 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 66. Southeast wind around 9 mph.

    High: 66 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44. Light and variable wind.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 50 percent 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

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 10pm.  Cloudy, with a low around 53.

    Low: 53 °F

    Rain Likely

Detailed Forecast

Tonight
Areas of frost before 2am, then patchy frost after 3am. Otherwise, increasing clouds, 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 66. Southeast wind around 9 mph.
Sunday Night
Mostly cloudy, with a low around 44. Light and variable wind.
Monday
Mostly cloudy, with a high near 65.
Monday Night
A 50 percent 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.
Thursday Night
A chance of rain. Partly cloudy, with a low around 50.
Friday
A slight chance of rain. Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Brentwood CA
 37.95°N 121.71°W (Elev. 82 ft)
2:25 pm PST Feb 20, 2026
9pm PST Feb 20, 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