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 100%
Wind Speed E 12 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 43°F (6°C)
Visibility 4.00 mi
Wind Chill37°F (3°C)
Last update 11 Dec 04:20 AM PST
Extended Forecast for

Napa Co. Airport CA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 52. East wind 5 to 9 mph.

    High: 52 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Patchy fog between 9pm and 1am.  Otherwise, mostly clear, with a low around 38. Calm wind becoming east around 6 mph after midnight.

    Low: 38 °F

    Patchy Fog

  • Friday

    Friday: Sunny, with a high near 54. East wind 7 to 13 mph.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. East wind around 6 mph becoming calm  in the evening.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog before 7am.  Otherwise, sunny, with a high near 59. East wind 3 to 8 mph.

    High: 59 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog.  Otherwise, mostly clear, with a low around 39.

    Low: 39 °F

    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 10am.  Otherwise, mostly sunny, with a high near 58.

    High: 58 °F

    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 40.

    Low: 40 °F

    Patchy Fog

  • Monday

    Monday: A slight chance of rain after 4pm.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 57.

    High: 57 °F

    Patchy Fog
    then Slight
    Chance Rain

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 52. East wind 5 to 9 mph.
Tonight
Patchy fog between 9pm and 1am. Otherwise, mostly clear, with a low around 38. Calm wind becoming east around 6 mph after midnight.
Friday
Sunny, with a high near 54. East wind 7 to 13 mph.
Friday Night
Mostly clear, with a low around 39. East wind around 6 mph becoming calm in the evening.
Saturday
Patchy fog before 7am. Otherwise, sunny, with a high near 59. East wind 3 to 8 mph.
Saturday Night
Patchy fog. Otherwise, mostly clear, with a low around 39.
Sunday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 58.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 40.
Monday
A slight chance of rain after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 57.
Monday Night
A chance of rain, mainly after 10pm. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 47.
Tuesday
A chance of rain. Areas of fog. Otherwise, mostly cloudy, with a high near 59.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Wednesday
A chance of rain. Mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa Co. Airport CA
 38.2°N 122.29°W (Elev. 20 ft)
2:25 am PST Dec 11, 2025
4am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

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