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

Vacaville Nut Tree Airport (KVCB)

Lat: 38.37755°NLon: 121.95853°WElev: 105.0ft.

Mist

43°F

6°C

Humidity 100%
Wind Speed NE 4 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 43°F (6°C)
Visibility 4.00 mi
Wind Chill41°F (5°C)
Last update 11 Dec 05:00 AM PST
Extended Forecast for

3 Miles WSW Vacaville CA

  • Today

    Today: Areas of dense fog before noon.  Otherwise, partly sunny, with a high near 46. Calm wind becoming northeast around 6 mph.

    High: 46 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Tonight

    Tonight: Areas of dense fog before 1am, then areas of dense fog after 2am.  Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Partly Cloudy
    then Areas
    Dense Fog

  • Friday

    Friday: Mostly sunny, with a high near 45. Northeast wind 3 to 7 mph.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 46. Calm wind becoming northeast around 5 mph.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers after 4pm.  Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Areas of dense fog before noon. Otherwise, partly sunny, with a high near 46. Calm wind becoming northeast around 6 mph.
Tonight
Areas of dense fog before 1am, then areas of dense fog after 2am. Otherwise, partly cloudy, with a low around 41. Calm wind.
Friday
Mostly sunny, with a high near 45. Northeast wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 42. Calm wind.
Saturday
Sunny, with a high near 46. Calm wind becoming northeast around 5 mph.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
A slight chance of showers after 4pm. Mostly cloudy, with a high near 57.
Monday Night
A chance of showers, mainly after 10pm. Mostly cloudy, with a low around 49.
Tuesday
A chance of showers. Mostly cloudy, with a high near 58.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 52.
Wednesday
A chance of showers. Mostly cloudy, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Vacaville CA
 38.36°N 122.01°W (Elev. 371 ft)
1:21 am PST Dec 11, 2025
5am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database