Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

50°F

10°C

Humidity 100%
Wind Speed NNE 7 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Wind Chill47°F (8°C)
Last update 01 Jan 07:28 AM PST
Extended Forecast for

2 Miles WSW Bethel Island CA

  • New Year's Day

    New Year's Day: Showers.  High near 57. South southeast wind 11 to 18 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Showers

  • Tonight

    Tonight: Showers likely, mainly before 10pm.  Mostly cloudy, with a low around 49. Southeast wind around 9 mph.  Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: Showers likely after 4pm.  Mostly cloudy, with a high near 58. Southeast wind 10 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%.

    High: 58 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers.  Low around 56. Breezy, with a southeast wind 18 to 25 mph, with gusts as high as 38 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Showers and
    Breezy

  • Saturday

    Saturday: Showers.  High near 58. South wind 18 to 21 mph, with gusts as high as 32 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 54. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers

  • Sunday

    Sunday: Showers.  High near 55. Chance of precipitation is 100%.

    High: 55 °F

    Showers

  • Sunday Night

    Sunday Night: Showers.  Cloudy, with a low around 51.

    Low: 51 °F

    Showers

  • Monday

    Monday: Showers.  Mostly cloudy, with a high near 53.

    High: 53 °F

    Showers

Detailed Forecast

New Year's Day
Showers. High near 57. South southeast wind 11 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 49. Southeast wind around 9 mph. Chance of precipitation is 60%.
Friday
Showers likely after 4pm. Mostly cloudy, with a high near 58. Southeast wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Friday Night
Showers. Low around 56. Breezy, with a southeast wind 18 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers. High near 58. South wind 18 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 54. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers. High near 55. Chance of precipitation is 100%.
Sunday Night
Showers. Cloudy, with a low around 51.
Monday
Showers. Mostly cloudy, with a high near 53.
Monday Night
Showers likely, mainly before 10pm. Cloudy, with a low around 48.
Tuesday
A chance of showers. Mostly cloudy, with a high near 51.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 43.
Wednesday
A slight chance of showers. Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Bethel Island CA
 38.02°N 121.7°W (Elev. 3 ft)
1:25 am PST Jan 1, 2026
7am PST Jan 1, 2026-6pm PST Jan 7, 2026
 
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Additional Resources

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