Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Berkeley Lab (LBNL1)

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

NA

53°F

12°C

Humidity 63%
Wind Speed ESE 6 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 18 Apr 03:00 AM PDT
Extended Forecast for

2 Miles N Hercules CA

  • Overnight

    Overnight: Partly cloudy, with a low around 48. Light south southwest wind.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 74. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51. South southwest wind around 6 mph.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 69. Southwest wind 6 to 11 mph.

    High: 69 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 11pm.  Mostly cloudy, with a low around 51. West southwest wind 7 to 13 mph, with gusts as high as 18 mph.

    Low: 51 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers.  Partly sunny, with a high near 66. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then showers after 11pm.  Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm.  Cloudy, with a high near 61.

    High: 61 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of rain.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 48. Light south southwest wind.
Saturday
Sunny, with a high near 74. Calm wind becoming west southwest around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 51. South southwest wind around 6 mph.
Sunday
Partly sunny, with a high near 69. Southwest wind 6 to 11 mph.
Sunday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 51. West southwest wind 7 to 13 mph, with gusts as high as 18 mph.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 66. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then showers after 11pm. Low around 52. Chance of precipitation is 80%.
Tuesday
Showers and possibly a thunderstorm. Cloudy, with a high near 61.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Wednesday
A chance of rain. Mostly sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Hercules CA
 38.03°N 122.25°W (Elev. 285 ft)
1:41 am PDT Apr 18, 2026
3am PDT Apr 18, 2026-6pm PDT Apr 24, 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