Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

47°F

8°C

Humidity 89%
Wind Speed E 12 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 10 Dec 12:09 PM PST
Extended Forecast for

7 Miles SW Lake Berryessa CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 56. Light northwest wind.

    High: 56 °F

    Sunny

  • Tonight

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

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 59. North northeast wind 3 to 5 mph.

    High: 59 °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 60. Northeast wind 3 to 5 mph.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog before 10pm.  Otherwise, mostly clear, with a low around 43.

    Low: 43 °F

    Patchy Fog
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 56. Light northwest wind.
Tonight
Mostly clear, with a low around 47. Calm wind.
Thursday
Sunny, with a high near 59. North northeast wind 3 to 5 mph.
Thursday Night
Mostly clear, with a low around 46. Calm wind.
Friday
Sunny, with a high near 60. Northeast wind 3 to 5 mph.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 60.
Saturday Night
Patchy fog before 10pm. Otherwise, mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Patchy fog before 9pm, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 44.
Monday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 56.
Monday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Partly sunny, with a high near 58.
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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 10, 2025
12pm PST Dec 10, 2025-6pm PST Dec 16, 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