National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Hazardous Weather Conditions

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

39°F

4°C

Humidity 98%
Wind Speed NNE 8 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 19 Feb 01:28 AM PST
Extended Forecast for

Brentwood CA

Extreme Cold Warning February 20, 01:00am until February 20, 09:00am
Click here for hazard details and duration
Extreme Cold Warning

  • Overnight

    Overnight: Rain. Low around 40. Southeast wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Thursday

    Thursday: Rain, mainly before 11am. High near 51. West northwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: Widespread frost, mainly between 1am and 5am. Otherwise, mostly clear, with a low around 32. West wind 3 to 8 mph.

    Low: 32 °F

    Mostly Clear
    then Frost

  • Friday

    Friday: Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 52. Light east wind.

    High: 52 °F

    Frost then
    Partly Sunny

  • Friday Night

    Friday Night: Patchy frost after midnight. Otherwise, partly cloudy, with a low around 35. Light east southeast wind.

    Low: 35 °F

    Partly Cloudy
    then Patchy
    Frost

  • Saturday

    Saturday: Patchy frost before 7am. Otherwise, partly sunny, with a high near 57.

    High: 57 °F

    Patchy Frost
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain. Partly sunny, with a high near 63.

    High: 63 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

Detailed Forecast

Overnight
Rain. Low around 40. Southeast wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain, mainly before 11am. High near 51. West northwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Widespread frost, mainly between 1am and 5am. Otherwise, mostly clear, with a low around 32. West wind 3 to 8 mph.
Friday
Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 52. Light east wind.
Friday Night
Patchy frost after midnight. Otherwise, partly cloudy, with a low around 35. Light east southeast wind.
Saturday
Patchy frost before 7am. Otherwise, partly sunny, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
A chance of rain. Partly sunny, with a high near 63.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 48.
Monday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 65.
Monday Night
Rain. Mostly cloudy, with a low around 52.
Tuesday
Rain. Mostly cloudy, with a high near 62.
Tuesday Night
Rain. Mostly cloudy, with a low around 52.
Wednesday
A chance of rain. Mostly cloudy, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brentwood CA
 37.93°N 121.7°W (Elev. 75 ft)
Last Update:
1:27 am PST Feb 19, 2026
Forecast Valid:
2am PST Feb 19, 2026-6pm PST Feb 25, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation