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

Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

47°F

8°C

Humidity 94%
Wind Speed S 7 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 18 Nov 11:28 PM PST
Extended Forecast for

3 Miles ENE Bethel Island CA

  • Overnight

    Overnight: Partly cloudy, with a low around 48. Southeast wind around 6 mph.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57. Southeast wind around 5 mph becoming light and variable in the afternoon.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 4am. Cloudy, with a steady temperature around 55. Calm wind becoming south southwest around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 54. South southeast wind around 8 mph becoming west in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Rain Likely
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. Northwest wind around 6 mph.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 48. Southeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 57. Southeast wind around 5 mph becoming light and variable in the afternoon.
Wednesday Night
Rain likely, mainly after 4am. Cloudy, with a steady temperature around 55. Calm wind becoming south southwest around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 54. South southeast wind around 8 mph becoming west in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Partly cloudy, with a low around 47. Northwest wind around 6 mph.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Patchy fog. Otherwise, mostly clear, with a low around 47.
Monday
Partly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Bethel Island CA
 38.04°N 121.61°W (Elev. 3 ft)
Last Update:
12:26 am PST Nov 19, 2025
Forecast Valid:
12am PST Nov 19, 2025-6pm PST Nov 25, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation