Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

Lat: 37.99167°NLon: 122.05194°WElev: 23.0ft.

Mist

46°F

8°C

Humidity 87%
Wind Speed NE 8 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 43°F (6°C)
Visibility 2.00 mi
Wind Chill42°F (6°C)
Last update 10 Dec 12:20 PM PST
Extended Forecast for

4 Miles E Hercules CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 44. East wind 6 to 8 mph.

    High: 44 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 42. East wind 3 to 6 mph.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 48. East northeast wind around 8 mph.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. East northeast wind 3 to 6 mph.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 51. East northeast wind around 9 mph.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 44. East wind 6 to 8 mph.
Tonight
Partly cloudy, with a low around 42. East wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 48. East northeast wind around 8 mph.
Thursday Night
Mostly clear, with a low around 41. East northeast wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 51. East northeast wind around 9 mph.
Friday Night
Mostly clear, with a low around 42.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
A slight chance of rain. Mostly cloudy, with a high near 58.
Monday Night
A chance of rain. Mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Mostly cloudy, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Hercules CA
 38.01°N 122.18°W (Elev. 597 ft)
12:26 pm PST Dec 10, 2025
12pm PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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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