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

46°F

8°C

Humidity 53%
Wind Speed NNE 4 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 28 Dec 07:15 AM PST
Extended Forecast for

2 Miles WNW Hercules CA

  • Today

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

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. East northeast wind around 7 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 51. East northeast wind around 9 mph.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. Northeast wind around 7 mph.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. East northeast wind around 9 mph.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 10 percent chance of rain after 4pm.  Partly sunny, with a high near 48.

    High: 48 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly after 10pm.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • New Year's Day

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

    High: 51 °F

    Rain Likely

Detailed Forecast

Today
Sunny, with a high near 52. Light and variable wind becoming northeast around 6 mph in the morning.
Tonight
Mostly clear, with a low around 43. East northeast wind around 7 mph.
Monday
Sunny, with a high near 51. East northeast wind around 9 mph.
Monday Night
Mostly clear, with a low around 40. Northeast wind around 7 mph.
Tuesday
Mostly sunny, with a high near 50. East northeast wind around 9 mph.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 48.
Wednesday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 46.
New Year's Day
Rain likely, mainly after 10am. Mostly cloudy, with a high near 51.
Thursday Night
Rain likely. Cloudy, with a low around 49.
Friday
Rain likely. Mostly cloudy, with a high near 53.
Friday Night
A chance of rain. Mostly cloudy, with a low around 50.
Saturday
A chance of rain. Mostly cloudy, with a high near 51.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Hercules CA
 38.02°N 122.3°W (Elev. 0 ft)
6:40 am PST Dec 28, 2025
7am 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

National Digital Forecast Database