Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Berkeley Lab (LBNL1)

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

NA

47°F

8°C

Humidity 54%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 28 Dec 05:15 AM PST
Extended Forecast for

2 Miles NNW Hercules CA

  • Today

    Today: Sunny, with a high near 52. Calm wind becoming northeast around 6 mph in the morning.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. East northeast wind 5 to 7 mph.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 52. East northeast wind 7 to 9 mph.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. East northeast wind around 6 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52. East northeast wind around 9 mph.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • New Year's Day

    New Year's Day: Rain likely, mainly after 10am.  Cloudy, with a high near 51.

    High: 51 °F

    Rain Likely

Detailed Forecast

Today
Sunny, with a high near 52. Calm wind becoming northeast around 6 mph in the morning.
Tonight
Mostly clear, with a low around 39. East northeast wind 5 to 7 mph.
Monday
Sunny, with a high near 52. East northeast wind 7 to 9 mph.
Monday Night
Mostly clear, with a low around 38. East northeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 52. East northeast wind around 9 mph.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 51.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 43.
New Year's Day
Rain likely, mainly after 10am. Cloudy, with a high near 51.
Thursday Night
Rain likely. Mostly cloudy, with a low around 47.
Friday
A chance of rain. Mostly cloudy, with a high near 52.
Friday Night
A chance of rain. Mostly cloudy, with a low around 46.
Saturday
A chance of rain. Mostly cloudy, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Hercules CA
 38.02°N 122.27°W (Elev. 92 ft)
12:27 am PST Dec 28, 2025
5am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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