Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mist

45°F

7°C

Humidity 93%
Wind Speed E 11 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 43°F (6°C)
Visibility 4.00 mi
Wind Chill39°F (4°C)
Last update 09 Dec 07:35 PM PST
Extended Forecast for

7 Miles SW Lake Berryessa CA

  • Tonight

    Tonight: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. Light north northeast wind.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66. Northeast wind 3 to 5 mph.

    High: 66 °F

    Sunny

  • Thursday Night

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

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Friday Night

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

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Calm wind.
Wednesday
Sunny, with a high near 64. Light north northeast wind.
Wednesday Night
Mostly clear, with a low around 47. Calm wind.
Thursday
Sunny, with a high near 66. Northeast wind 3 to 5 mph.
Thursday Night
Mostly clear, with a low around 46. Calm wind.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 57.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 46.
Monday
A chance of rain. Partly sunny, with a high near 57.
Monday Night
A chance of rain. Mostly cloudy, with a low around 49.
Tuesday
A chance of rain. Partly sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SW Lake Berryessa CA
 38.51°N 122.34°W (Elev. 699 ft)
12:26 pm PST Dec 9, 2025
7pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database