Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

Berkeley Lab (LBNL1)

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

NA

48°F

9°C

Humidity 90%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 23 Jan 10:00 PM PST
Extended Forecast for

Hercules CA

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Light and variable wind becoming east around 6 mph after midnight.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60. Northeast wind 7 to 11 mph.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 41. East wind 6 to 11 mph.

    Low: 41 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 53. East wind 11 to 13 mph.

    High: 53 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43. East wind 9 to 11 mph.

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. Light and variable wind becoming east around 6 mph after midnight.
Saturday
Sunny, with a high near 60. Northeast wind 7 to 11 mph.
Saturday Night
Increasing clouds, with a low around 41. East wind 6 to 11 mph.
Sunday
Mostly cloudy, with a high near 53. East wind 11 to 13 mph.
Sunday Night
Mostly cloudy, with a low around 43. East wind 9 to 11 mph.
Monday
Mostly sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 56.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Hercules CA
 38.02°N 122.27°W (Elev. 92 ft)
12:26 pm PST Jan 23, 2026
10pm PST Jan 23, 2026-6pm PST Jan 30, 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