National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Another Round of Heavy Rain and Mountain Snow in California; Snow in the Great Lakes and Northeast

Another round of heavy rainfall will renew concerns for additional flash flooding and landslides in southern California around burn scars and coastal mountain ranges. A low pressure system is bringing enhanced snowfall downwind from the lower Great Lakes into the Northeast mountain ranges. Above average temperatures will challenge or break daily record high temperatures across the southern Plains. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

50°F

10°C

Humidity 95%
Wind Speed S 14 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 17 Nov 01:28 AM PST
Extended Forecast for

Bethel Island CA

  • Overnight

    Overnight: Rain. Low around 53. Breezy, with a south southeast wind around 23 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Rain and
    Breezy

  • Monday

    Monday: Rain likely, mainly before 4pm. Mostly cloudy, with a high near 58. South wind 9 to 16 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain Likely

  • Monday Night

    Monday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 48. Southwest wind around 6 mph becoming east southeast after midnight. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 59. Northwest wind 6 to 8 mph.

    High: 59 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A slight chance of rain before 10pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Overnight
Rain. Low around 53. Breezy, with a south southeast wind around 23 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 58. South wind 9 to 16 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 48. Southwest wind around 6 mph becoming east southeast after midnight. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 59. Northwest wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 46. Light and variable wind.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 50.
Thursday
A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 58.
Thursday Night
A slight chance of rain before 10pm. Mostly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bethel Island CA
 38.03°N 121.64°W (Elev. 3 ft)
Last Update:
12:26 am PST Nov 17, 2025
Forecast Valid:
2am PST Nov 17, 2025-6pm PST Nov 23, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation