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

Napa, Napa County Airport (KAPC)

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

Overcast

45°F

7°C

Humidity 93%
Wind Speed E 8 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 43°F (6°C)
Visibility 7.00 mi
Wind Chill41°F (5°C)
Last update 07 Dec 06:00 PM PST
Extended Forecast for

6 Miles ENE Yountville CA

  • Tonight

    Tonight: Mostly clear, with a low around 45. Light and variable wind.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 57. Light north wind.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. Light north northwest wind.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 45. Light and variable wind.
Monday
Sunny, with a high near 57. Light and variable wind.
Monday Night
Mostly clear, with a low around 46. Calm wind.
Tuesday
Sunny, with a high near 57. Light north wind.
Tuesday Night
Mostly clear, with a low around 48. Light north northwest wind.
Wednesday
Sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Yountville CA
 38.45°N 122.27°W (Elev. 1998 ft)
5:02 pm PST Dec 7, 2025
6pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database