Major Winter Storm in the North-Central U.S.; Severe Weather from the Mid-South to Ohio Valley

A major winter storm will bring a swath of heavy snowfall, strong winds, blizzard conditions and freezing rain to the Northern Plains into the Great Lakes region. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-south to the Ohio Valley and the Southeast. Critical fire weather concerns shift to the southern Rockies and Plains. Read More >

Current conditions at

Berkeley Lab (LBNL1)

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

NA

65°F

18°C

Humidity 66%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 15 Mar 11:30 AM PDT
Extended Forecast for

2 Miles N Hercules CA

Heat Advisory March 16, 10:00am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny, with a high near 82. West wind 6 to 8 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. West wind around 6 mph becoming light and variable  after midnight.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86. Light and variable wind becoming northeast around 6 mph in the morning.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 56. Southwest wind 3 to 6 mph.

    Low: 56 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Calm wind becoming northeast 5 to 7 mph in the morning.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 82. West wind 6 to 8 mph.
Tonight
Mostly clear, with a low around 56. West wind around 6 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 86. Light and variable wind becoming northeast around 6 mph in the morning.
Monday Night
Clear, with a low around 56. Southwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 88. Calm wind becoming northeast 5 to 7 mph in the morning.
Tuesday Night
Clear, with a low around 59.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Clear, with a low around 59.
Thursday
Sunny, with a high near 89.
Thursday Night
Clear, with a low around 61.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Hercules CA
 38.03°N 122.25°W (Elev. 285 ft)
2:40 am PDT Mar 15, 2026
11am PDT Mar 15, 2026-6pm PDT Mar 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database