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

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.

Mist

43°F

6°C

Humidity 96%
Wind Speed E 12 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 42°F (6°C)
Visibility 4.00 mi
Wind Chill37°F (3°C)
Last update 11 Dec 06:54 AM PST
Extended Forecast for

7 Miles SW Lake Berryessa CA

  • Today

    Today: Sunny, with a high near 58. North wind 6 to 9 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. North wind 7 to 9 mph.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59. North northeast wind around 11 mph, with gusts as high as 18 mph.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44. North northeast wind 6 to 8 mph.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 60. East wind around 5 mph becoming light and variable  in the morning.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 58. North wind 6 to 9 mph.
Tonight
Mostly clear, with a low around 46. North wind 7 to 9 mph.
Friday
Sunny, with a high near 59. North northeast wind around 11 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 44. North northeast wind 6 to 8 mph.
Saturday
Sunny, with a high near 60. East wind around 5 mph becoming light and variable in the morning.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Partly sunny, with a high near 60.
Monday Night
A chance of rain. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 58.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Wednesday
A chance of rain. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SW Lake Berryessa CA
 38.51°N 122.34°W (Elev. 699 ft)
2:25 am PST Dec 11, 2025
7am 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