Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley Thursday afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

Berkeley Lab (LBNL1)

Lat: 37.8771°NLon: 122.2486°WElev: 888.0ft.

NA

58°F

14°C

Humidity 81%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 08 Apr 07:30 PM PDT
Extended Forecast for

2 Miles N Hercules CA

  • Tonight

    Tonight: Increasing clouds, with a low around 55. West southwest wind 6 to 10 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A slight chance of showers between 1pm and 3pm.  Mostly cloudy, then gradually becoming sunny, with a high near 69. West southwest wind 6 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 69 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers, mainly after 11pm.  Mostly cloudy, with a low around 56. West southwest wind 5 to 11 mph, with gusts as high as 18 mph.  New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 56 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers and possibly a thunderstorm after 11am.  High near 65. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 54. Southwest wind 7 to 13 mph, with gusts as high as 18 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 11am.  High near 60. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers

  • Saturday Night

    Saturday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 47. Chance of precipitation is 70%.

    Low: 47 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly after 11am.  Partly sunny, with a high near 59.

    High: 59 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A slight chance of rain before 11pm.  Partly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain then
    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 55. West southwest wind 6 to 10 mph.
Thursday
A slight chance of showers between 1pm and 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 69. West southwest wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday Night
A 40 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 56. West southwest wind 5 to 11 mph, with gusts as high as 18 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A chance of showers, then showers and possibly a thunderstorm after 11am. High near 65. Southwest wind 5 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Southwest wind 7 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 60. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Sunday
Rain likely, mainly after 11am. Partly sunny, with a high near 59.
Sunday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 46.
Monday
Sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Hercules CA
 38.05°N 122.25°W (Elev. 56 ft)
4:51 pm PDT Apr 8, 2026
7pm PDT Apr 8, 2026-6pm PDT Apr 15, 2026
 
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Additional Resources

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