Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

58°F

14°C

Humidity 61%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 29 Jan 01:28 PM PST
Extended Forecast for

3 Miles NE Brentwood CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 60. North northeast wind around 5 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Fog

  • Friday

    Friday: Mostly cloudy, with a high near 59. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 59 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Patchy fog before 1am, then patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 7am.  Otherwise, mostly cloudy, with a high near 61. Calm wind becoming east northeast around 5 mph in the morning.

    High: 61 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 43.

    Low: 43 °F

    Patchy Fog

  • Sunday

    Sunday: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

  • Sunday Night

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

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 60. North northeast wind around 5 mph.
Tonight
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 40. Calm wind.
Friday
Mostly cloudy, with a high near 59. Calm wind becoming northeast around 6 mph in the afternoon.
Friday Night
Patchy fog before 1am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Saturday
Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 61. Calm wind becoming east northeast around 5 mph in the morning.
Saturday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 43.
Sunday
Mostly cloudy, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Brentwood CA
 37.96°N 121.65°W (Elev. 20 ft)
12:27 pm PST Jan 29, 2026
2pm PST Jan 29, 2026-6pm PST Feb 4, 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