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

51°F

11°C

Humidity 67%
Wind Speed NNE 10 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 30 Jan 04:28 AM PST
Extended Forecast for

2 Miles WSW Bethel Island CA

  • Today

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

    High: 59 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. Light and variable wind.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 60. East northeast wind around 6 mph.

    High: 60 °F

    Mostly Cloudy

  • Saturday Night

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

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 61. Light and variable wind becoming northwest around 5 mph in the afternoon.

    High: 61 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Monday Night

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

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 59. Calm wind becoming northeast around 6 mph in the morning.
Tonight
Mostly cloudy, with a low around 44. Light and variable wind.
Saturday
Mostly cloudy, with a high near 60. East northeast wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 45. Calm wind.
Sunday
Mostly cloudy, with a high near 61. Light and variable wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 63.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Bethel Island CA
 38.02°N 121.7°W (Elev. 3 ft)
4:31 am PST Jan 30, 2026
5am 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