Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

50°F

10°C

Humidity 84%
Wind Speed NNE 17 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 30 Jan 07:28 AM PST
Extended Forecast for

5 Miles N Discovery Bay CA

  • Today

    Today: Patchy dense fog before 9am.  Otherwise, partly sunny, with a high near 61. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 61 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy dense fog before 9am.  Otherwise, mostly cloudy, with a high near 61. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 61 °F

    Patchy Dense
    Fog then
    Mostly Cloudy

  • Saturday Night

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

    Low: 43 °F

    Patchy Fog

  • Sunday

    Sunday: Mostly cloudy, with a high near 62. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 62 °F

    Mostly Cloudy

  • Sunday Night

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

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog after 4am.  Otherwise, mostly clear, 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 62.

    High: 62 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Patchy dense fog before 9am. Otherwise, partly sunny, with a high near 61. Calm wind becoming north northeast around 5 mph in the afternoon.
Tonight
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Saturday
Patchy dense fog before 9am. Otherwise, mostly cloudy, with a high near 61. Calm wind becoming east northeast around 5 mph in the afternoon.
Saturday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Sunday
Mostly cloudy, with a high near 62. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 62.
Monday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 41.
Tuesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 62.
Tuesday Night
Patchy fog before midnight, then patchy fog after 2am. Otherwise, partly cloudy, with a low around 42.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 64.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Thursday
Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Discovery Bay CA
 37.97°N 121.57°W (Elev. 3 ft)
5:44 am PST Jan 30, 2026
8am PST Jan 30, 2026-6pm PST Feb 5, 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