Heavy Rain Across the Southern US; Unsettled Pattern in the Pacific Northwest

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains Friday, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. High elevation snow and mixed precipitation and rain in the lower elevations will impact the Pacific Northwest this weekend before a stronger system moves in early next week. Read More >

Current conditions at

Berkeley Lab (LBNL1)

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

NA

49°F

9°C

Humidity 88%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 13 Feb 04:15 AM PST
Extended Forecast for

Hercules CA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 61. Southwest wind 3 to 8 mph.

    High: 61 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. South southwest wind 5 to 7 mph.

    Low: 47 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 58. Light south southwest wind becoming southwest 5 to 9 mph in the morning.

    High: 58 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 50. South southeast wind around 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Rain Likely

  • Sunday

    Sunday: Rain.  High near 58. South wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Rain

  • Sunday Night

    Sunday Night: Rain.  Low around 49. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Rain

  • Washington's Birthday

    Washington's Birthday: Rain.  High near 54. Chance of precipitation is 90%.

    High: 54 °F

    Rain

  • Monday Night

    Monday Night: Rain.  Cloudy, with a low around 44.

    Low: 44 °F

    Rain

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 51.

    High: 51 °F

    Rain

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 61. Southwest wind 3 to 8 mph.
Tonight
Mostly cloudy, with a low around 47. South southwest wind 5 to 7 mph.
Saturday
Mostly cloudy, with a high near 58. Light south southwest wind becoming southwest 5 to 9 mph in the morning.
Saturday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 50. South southeast wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 58. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 49. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Washington's Birthday
Rain. High near 54. Chance of precipitation is 90%.
Monday Night
Rain. Cloudy, with a low around 44.
Tuesday
Rain. Cloudy, with a high near 51.
Tuesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 42.
Wednesday
Rain likely. Mostly cloudy, with a high near 52.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 42.
Thursday
Rain likely. Mostly cloudy, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Hercules CA
 38.02°N 122.27°W (Elev. 92 ft)
12:36 am PST Feb 13, 2026
4am PST Feb 13, 2026-6pm PST Feb 19, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database