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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

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

Mist

45°F

7°C

Humidity 93%
Wind Speed NE 8 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 43°F (6°C)
Visibility 3.50 mi
Wind Chill41°F (5°C)
Last update 07 Dec 10:35 PM PST
Extended Forecast for

Pleasant Hill CA

  • Tonight

    Tonight: Areas of dense fog. Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Areas Dense
    Fog

  • Monday

    Monday: Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 48. Calm wind.

    High: 48 °F

    Areas Dense
    Fog then
    Sunny

  • Monday Night

    Monday Night: Widespread fog, mainly after 4am. Otherwise, partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Fog

  • Tuesday

    Tuesday: Widespread fog, mainly before 7am. Otherwise, mostly sunny, with a high near 61. Light north northeast wind.

    High: 61 °F

    Fog then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog. Otherwise, partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Widespread fog, mainly after 4am. Otherwise, mostly clear, with a low around 44.

    Low: 44 °F

    Fog

  • Thursday

    Thursday: Widespread fog, mainly before 8am. Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Widespread fog, mainly after 5am. Otherwise, mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear
    then Fog

Detailed Forecast

Tonight
Areas of dense fog. Otherwise, partly cloudy, with a low around 41. Calm wind.
Monday
Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 48. Calm wind.
Monday Night
Widespread fog, mainly after 4am. Otherwise, partly cloudy, with a low around 42. Calm wind.
Tuesday
Widespread fog, mainly before 7am. Otherwise, mostly sunny, with a high near 61. Light north northeast wind.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44. Calm wind.
Wednesday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 64.
Wednesday Night
Widespread fog, mainly after 4am. Otherwise, mostly clear, with a low around 44.
Thursday
Widespread fog, mainly before 8am. Otherwise, mostly sunny, with a high near 64.
Thursday Night
Widespread fog, mainly after 5am. Otherwise, mostly clear, with a low around 44.
Friday
Widespread fog, mainly before 7am. Otherwise, mostly sunny, with a high near 62.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 43.
Saturday
Widespread fog. Otherwise, mostly sunny, with a high near 62.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Sunday
Areas of fog. Otherwise, partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pleasant Hill CA
 37.97°N 122.06°W (Elev. 174 ft)
Last Update:
8:31 pm PST Dec 7, 2025
Forecast Valid:
10pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

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Chance of Precipitation