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

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.

haze

46°F

8°C

Humidity 87%
Wind Speed N 11 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 43°F (6°C)
Visibility 3.00 mi
Wind Chill41°F (5°C)
Last update 10 Dec 03:30 PM PST
Extended Forecast for

3 Miles ENE Walnut Creek CA

  • Tonight

    Tonight: Widespread dense fog, mainly after 3am. Otherwise, partly cloudy, with a low around 40. North wind 3 to 5 mph.

    Low: 40 °F

    Mostly Clear
    then Dense
    Fog

  • Thursday

    Thursday: Widespread dense fog, mainly before 9am. Otherwise, mostly sunny, with a high near 57. North northeast wind 3 to 7 mph.

    High: 57 °F

    Dense Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 40. East wind 3 to 5 mph.

    Low: 40 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 56. North northeast wind 3 to 8 mph.

    High: 56 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 40. Light and variable wind.

    Low: 40 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 61.

    High: 61 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 10am. Otherwise, partly sunny, with a high near 61.

    High: 61 °F

    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Tonight
Widespread dense fog, mainly after 3am. Otherwise, partly cloudy, with a low around 40. North wind 3 to 5 mph.
Thursday
Widespread dense fog, mainly before 9am. Otherwise, mostly sunny, with a high near 57. North northeast wind 3 to 7 mph.
Thursday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 40. East wind 3 to 5 mph.
Friday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 56. North northeast wind 3 to 8 mph.
Friday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 40. Light and variable wind.
Saturday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 61.
Saturday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 41.
Sunday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 61.
Sunday Night
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 42.
Monday
A slight chance of showers after 4pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 62.
Monday Night
A chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 50.
Tuesday
A chance of showers. Patchy fog. Otherwise, mostly cloudy, with a high near 65.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 51.
Wednesday
A slight chance of showers. Partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Walnut Creek CA
 37.93°N 122.02°W (Elev. 197 ft)
Last Update:
12:37 pm PST Dec 10, 2025
Forecast Valid:
3pm PST Dec 10, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

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