Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

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

light rain,mist

43°F

6°C

Humidity 93%
Wind Speed NNE 11 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 41°F (5°C)
Visibility 6.00 mi
Wind Chill37°F (3°C)
Last update 11 Dec 09:35 AM PST
Extended Forecast for

2 Miles NE Walnut Creek CA

  • Today

    Today: Sunny, with a high near 54. North northeast wind around 7 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Calm wind becoming north northwest around 5 mph after midnight.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 56. North northeast wind 5 to 8 mph.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after midnight.  Otherwise, mostly clear, with a low around 39. Light north northwest wind.

    Low: 39 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 60. Calm wind becoming north around 5 mph in the afternoon.

    High: 60 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after midnight.  Otherwise, mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

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

    Low: 42 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 61.

    High: 61 °F

    Patchy Fog
    then Mostly
    Cloudy

Detailed Forecast

Today
Sunny, with a high near 54. North northeast wind around 7 mph.
Tonight
Partly cloudy, with a low around 40. Calm wind becoming north northwest around 5 mph after midnight.
Friday
Mostly sunny, with a high near 56. North northeast wind 5 to 8 mph.
Friday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 39. Light north northwest wind.
Saturday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 60. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 41.
Sunday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 60.
Sunday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 42.
Monday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 61.
Monday Night
A slight chance of rain. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 63.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 52.
Wednesday
A chance of rain. Mostly cloudy, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Walnut Creek CA
 37.92°N 122.05°W (Elev. 197 ft)
2:25 am PST Dec 11, 2025
9am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

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