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

56°F

13°C

Humidity 52%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 01 Feb 06:28 AM PST
Extended Forecast for

4 Miles S Antioch CA

  • Today

    Today: Partly sunny, with a high near 63. Light west wind becoming northwest 6 to 11 mph in the morning.

    High: 63 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 45. West northwest wind 7 to 9 mph, with gusts as high as 22 mph.

    Low: 45 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 63. North northwest wind 5 to 7 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Light south wind.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63. Calm wind becoming northeast around 6 mph in the morning.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 63. Light west wind becoming northwest 6 to 11 mph in the morning.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 45. West northwest wind 7 to 9 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 63. North northwest wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 42. Light south wind.
Tuesday
Sunny, with a high near 63. Calm wind becoming northeast around 6 mph in the morning.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 64.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 47.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Antioch CA
 37.94°N 121.82°W (Elev. 600 ft)
6:39 am PST Feb 1, 2026
6am PST Feb 1, 2026-6pm PST Feb 7, 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