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

51°F

11°C

Humidity 70%
Wind Speed NNE 14 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 31 Jan 06:28 AM PST
Extended Forecast for

Bethel Island CA

  • Today

    Today: Mostly cloudy, with a high near 59. Calm wind becoming east northeast around 5 mph in the morning.

    High: 59 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

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

    High: 62 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. West northwest wind 7 to 9 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63. Northwest wind around 7 mph.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 59. Calm wind becoming east northeast around 5 mph in the morning.
Tonight
Mostly cloudy, with a low around 42. Calm wind.
Sunday
Mostly cloudy, with a high near 62. Calm wind becoming west northwest around 6 mph in the morning.
Sunday Night
Partly cloudy, with a low around 44. West northwest wind 7 to 9 mph.
Monday
Mostly sunny, with a high near 63. Northwest wind around 7 mph.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 65.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Bethel Island CA
 38.03°N 121.64°W (Elev. 3 ft)
4:03 am PST Jan 31, 2026
7am PST Jan 31, 2026-6pm PST Feb 6, 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