Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

52°F

11°C

Humidity 47%
Wind Speed NNE 2 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 21 Jan 04:28 PM PST
Extended Forecast for

Bethel Island CA

  • Tonight

    Tonight: Widespread dense fog before 11pm, then widespread dense fog after midnight.  Otherwise, cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Dense Fog

  • Thursday

    Thursday: Patchy fog before 10am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. West wind 3 to 5 mph.

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 4am.  Otherwise, increasing clouds, with a low around 44. West southwest wind 3 to 5 mph.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 56. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 56 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42. Northwest wind 3 to 6 mph.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Widespread dense fog before 11pm, then widespread dense fog after midnight. Otherwise, cloudy, with a low around 46. Light and variable wind.
Thursday
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. West wind 3 to 5 mph.
Thursday Night
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 44. West southwest wind 3 to 5 mph.
Friday
Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 56. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 42. Northwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly cloudy, with a high near 55.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Bethel Island CA
 38.03°N 121.64°W (Elev. 3 ft)
2:22 pm PST Jan 21, 2026
5pm PST Jan 21, 2026-6pm PST Jan 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database