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

Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Current conditions at

Berkeley Lab (LBNL1)

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

NA

55°F

13°C

Humidity 71%
Wind Speed WNW 4 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 20 Nov 03:00 PM PST
Extended Forecast for

Hercules CA

  • This Afternoon

    This Afternoon: A 30 percent chance of rain, mainly before 4pm. Partly sunny, with a steady temperature around 56. North northwest wind around 6 mph.

    High: 56 °F

    Chance Rain

  • Tonight

    Tonight: A 20 percent chance of rain before 10pm. Mostly clear, with a low around 45. North wind 3 to 5 mph.

    Low: 45 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. South wind around 6 mph becoming light and variable in the afternoon.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62. Northeast wind 3 to 6 mph.

    High: 62 °F

    Sunny

  • Saturday Night

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

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of rain, mainly before 4pm. Partly sunny, with a steady temperature around 56. North northwest wind around 6 mph.
Tonight
A 20 percent chance of rain before 10pm. Mostly clear, with a low around 45. North wind 3 to 5 mph.
Friday
Sunny, with a high near 62. South wind around 6 mph becoming light and variable in the afternoon.
Friday Night
Mostly clear, with a low around 45. Calm wind.
Saturday
Sunny, with a high near 62. Northeast wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 47.
Thanksgiving Day
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hercules CA
 38°N 122.27°W (Elev. 377 ft)
Last Update:
2:11 pm PST Nov 20, 2025
Forecast Valid:
3pm PST Nov 20, 2025-6pm PST Nov 27, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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