Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

53°F

12°C

Humidity 63%
Wind Speed NNE 14 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 31 Jan 05:28 AM PST
Extended Forecast for

3 Miles NE Brentwood CA

  • Today

    Today: Patchy fog before 7am.  Otherwise, mostly cloudy, with a high near 59. Calm wind becoming east northeast around 5 mph in the morning.

    High: 59 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Patchy dense fog before 4am, then patchy dense fog after 5am.  Otherwise, mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Dense
    Fog

  • Sunday

    Sunday: Patchy dense fog before 7am.  Otherwise, mostly cloudy, with a high near 63. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 63 °F

    Patchy Dense
    Fog then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43. West northwest wind 6 to 9 mph.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 64. North northwest wind 3 to 7 mph.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 63.

    High: 63 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 59. Calm wind becoming east northeast around 5 mph in the morning.
Tonight
Patchy dense fog before 4am, then patchy dense fog after 5am. Otherwise, mostly cloudy, with a low around 41. Calm wind.
Sunday
Patchy dense fog before 7am. Otherwise, mostly cloudy, with a high near 63. Calm wind becoming northwest 5 to 7 mph in the morning.
Sunday Night
Partly cloudy, with a low around 43. West northwest wind 6 to 9 mph.
Monday
Mostly sunny, with a high near 64. North northwest wind 3 to 7 mph.
Monday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 41.
Tuesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Brentwood CA
 37.96°N 121.65°W (Elev. 20 ft)
4:03 am PST Jan 31, 2026
6am PST Jan 31, 2026-6pm PST Feb 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database