Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Port Chicago (PCOC1)

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

NA

40°F

4°C

Humidity NA
Wind Speed E 5 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint N/A
Visibility NA
Wind Chill36°F (2°C)
Last update NA
Extended Forecast for

5 Miles NW Concord CA

  • M.L.King Day

    M.L.King Day: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 60. East northeast wind 3 to 6 mph.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 42. Light east northeast wind.

    Low: 42 °F

    Patchy Fog

  • Tuesday

    Tuesday: Partly sunny, with a high near 61. East northeast wind around 7 mph.

    High: 61 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 59. East northeast wind 3 to 5 mph.

    High: 59 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 9pm.  Otherwise, mostly clear, with a low around 44.

    Low: 44 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

M.L.King Day
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 60. East northeast wind 3 to 6 mph.
Tonight
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 42. Light east northeast wind.
Tuesday
Partly sunny, with a high near 61. East northeast wind around 7 mph.
Tuesday Night
Mostly cloudy, with a low around 44. Calm wind.
Wednesday
Mostly cloudy, with a high near 59. East northeast wind 3 to 5 mph.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 62.
Thursday Night
Patchy fog after 9pm. Otherwise, mostly clear, with a low around 44.
Friday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 60.
Friday Night
Patchy fog after 9pm. Otherwise, mostly clear, with a low around 44.
Saturday
Partly sunny, with a high near 60.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Concord CA
 38.04°N 122.05°W (Elev. 3 ft)
12:26 am PST Jan 19, 2026
5am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database