Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

51°F

11°C

Humidity 98%
Wind Speed S 4 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 10 Apr 05:28 AM PDT
Extended Forecast for

Bethel Island CA

  • Today

    Today: Showers and thunderstorms likely, then showers and possibly a thunderstorm after noon.  High near 68. Light and variable wind becoming west southwest 5 to 10 mph in the morning.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 11pm, then a chance of rain after 11pm.  Mostly cloudy, with a low around 53. South wind around 7 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of rain, then showers and possibly a thunderstorm after 11am.  High near 65. South southeast wind 7 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 11pm, then rain after 11pm.  Low around 50. South southeast wind 8 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers

  • Sunday

    Sunday: Rain before 11am, then showers and possibly a thunderstorm between 11am and 5pm, then a chance of showers and thunderstorms after 5pm.  High near 59. South southeast wind 10 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 59 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a chance of rain between 8pm and 11pm.  Mostly cloudy, with a low around 47. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Monday Night

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

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after noon. High near 68. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 53. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of rain, then showers and possibly a thunderstorm after 11am. High near 65. South southeast wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 11pm, then rain after 11pm. Low around 50. South southeast wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain before 11am, then showers and possibly a thunderstorm between 11am and 5pm, then a chance of showers and thunderstorms after 5pm. High near 59. South southeast wind 10 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a chance of rain between 8pm and 11pm. Mostly cloudy, with a low around 47. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Bethel Island CA
 38.03°N 121.64°W (Elev. 3 ft)
2:51 am PDT Apr 10, 2026
6am PDT Apr 10, 2026-6pm PDT Apr 16, 2026
 
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