National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Port Chicago (PCOC1)

Lat: 38.056°NLon: 122.0395°WElev: 0.0ft.

NA

63°F

17°C

Humidity NA
Wind Speed E 3 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

5 Miles NW Concord CA

Wind Advisory until November 13, 04:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until November 13, 04:00pm

    NOW until 4:00pm Thu

    Wind Advisory

  • Overnight

    Low: 61 °F

    Rain

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 4pm, then rain likely and possibly a thunderstorm after 4pm. High near 65. South southwest wind 11 to 16 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 65 °F

    Showers

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm. Patchy fog between 1am and 3am. Otherwise, mostly cloudy, with a low around 53. South southwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Rain Likely
    and Patchy
    Fog

  • Friday

    Friday: A 30 percent chance of rain. Mostly sunny, with a high near 65. North northeast wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain before 4am. Partly cloudy, with a low around 50. Light north wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain after 10am. Partly sunny, with a high near 65. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 62.

    High: 62 °F

    Chance Rain

Detailed Forecast

Overnight
Rain. Low around 61. East southeast wind 5 to 8 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers and possibly a thunderstorm before 4pm, then rain likely and possibly a thunderstorm after 4pm. High near 65. South southwest wind 11 to 16 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Rain likely, mainly before 10pm. Patchy fog between 1am and 3am. Otherwise, mostly cloudy, with a low around 53. South southwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of rain. Mostly sunny, with a high near 65. North northeast wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 20 percent chance of rain before 4am. Partly cloudy, with a low around 50. Light north wind. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of rain after 10am. Partly sunny, with a high near 65. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 53.
Sunday
A chance of rain. Mostly cloudy, with a high near 62.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 51.
Monday
A chance of rain, mainly before 4pm. Partly sunny, with a high near 60.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Concord CA
 38.04°N 122.05°W (Elev. 3 ft)
Last Update:
12:26 am PST Nov 13, 2025
Forecast Valid:
1am PST Nov 13, 2025-6pm PST Nov 19, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation