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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

Port Chicago (PCOC1)

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

NA

53°F

12°C

Humidity NA
Wind Speed NE 3 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

5 Miles NW Concord CA

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 50. South wind around 7 mph becoming east after midnight. Winds could gust as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday

    Friday: A slight chance of rain before 3pm, then rain likely after 4pm. Mostly cloudy, with a high near 58. East wind 6 to 11 mph becoming south southeast in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Partly Sunny
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain. Low around 54. South southeast wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Rain

  • Saturday

    Saturday: Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 58. South southwest wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 53. South southeast wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers

  • Sunday

    Sunday: Rain. High near 55. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Rain

  • Monday

    Monday: Rain likely. Cloudy, with a high near 53.

    High: 53 °F

    Rain Likely

  • Monday Night

    Monday Night: A chance of rain, mainly before 4am. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

Detailed Forecast

Tonight
A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 50. South wind around 7 mph becoming east after midnight. Winds could gust as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of rain before 3pm, then rain likely after 4pm. Mostly cloudy, with a high near 58. East wind 6 to 11 mph becoming south southeast in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain. Low around 54. South southeast wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 58. South southwest wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 53. South southeast wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Rain. High near 55. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 48. Chance of precipitation is 80%.
Monday
Rain likely. Cloudy, with a high near 53.
Monday Night
A chance of rain, mainly before 4am. Mostly cloudy, with a low around 45.
Tuesday
A slight chance of rain before 10am. Mostly cloudy, with a high near 53.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain. Mostly cloudy, with a high near 52.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Thursday
A slight chance of rain. Mostly sunny, with a high near 50.
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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:
12:32 pm PST Jan 1, 2026
Forecast Valid:
6pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation