Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

43°F

6°C

Humidity 100%
Wind Speed S 14 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 27 Dec 04:28 AM PST
Extended Forecast for

Bethel Island CA

  • Today

    Today: Mostly sunny, with a high near 50. West wind around 8 mph becoming north northwest in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. West northwest wind around 7 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 49. North wind around 7 mph.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. Calm wind becoming north northwest around 5 mph after midnight.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 49. North northeast wind around 7 mph.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 50. West wind around 8 mph becoming north northwest in the afternoon.
Tonight
Partly cloudy, with a low around 40. West northwest wind around 7 mph.
Sunday
Sunny, with a high near 49. North wind around 7 mph.
Sunday Night
Mostly clear, with a low around 38. Calm wind becoming north northwest around 5 mph after midnight.
Monday
Sunny, with a high near 49. North northeast wind around 7 mph.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 41.
New Year's Day
A chance of rain. Cloudy, with a high near 49.
Thursday Night
A chance of rain. Cloudy, with a low around 45.
Friday
A chance of rain. Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Bethel Island CA
 38.03°N 121.64°W (Elev. 3 ft)
12:27 am PST Dec 27, 2025
5am PST Dec 27, 2025-6pm PST Jan 2, 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