



Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend
Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >
Current conditions at
Berkeley Lab (LBNL1)
Lat: 37.8771°NLon: 122.2486°WElev: 888.0ft.NA
72°F
22°C
Humidity | 58% |
Wind Speed | ESE 3 MPH |
Barometer | NA |
Dewpoint | 57°F (14°C) |
Visibility | NA |
Last update | 08 Aug 01:00 PM PDT |
Extended Forecast for
Hercules CA
This Afternoon
High: 90 °F
Sunny
Tonight
Low: 58 °F
Clear
Saturday
High: 79 °F
Sunny
Saturday Night
Low: 58 °F
Mostly Clear
Sunday
High: 80 °F
Sunny
Sunday Night
Low: 56 °F
Mostly Clear
Monday
High: 78 °F
Sunny
Monday Night
Low: 57 °F
Mostly Clear
Tuesday
High: 74 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 90. South southwest wind 7 to 13 mph.
Tonight
Clear, with a low around 58. South southwest wind 9 to 11 mph.
Saturday
Sunny, with a high near 79. South southwest wind 8 to 16 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 58. South southwest wind 10 to 14 mph.
Sunday
Sunny, with a high near 80. Southwest wind 9 to 13 mph.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 72.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Hercules CA
38.02°N 122.27°W (Elev. 92 ft)
38.02°N 122.27°W (Elev. 92 ft)
12:24 pm PDT Aug 8, 2025
1pm PDT Aug 8, 2025-6pm PDT Aug 14, 2025