Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mist

39°F

4°C

Humidity 93%
Wind Speed N 5 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 37°F (3°C)
Visibility 5.00 mi
Wind Chill35°F (2°C)
Last update 02 Dec 12:20 AM PST
Extended Forecast for

Sonoma CA

Coastal Flood Advisory December 2, 06:00am until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  • Overnight

    Overnight: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 63. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. Calm wind becoming northeast around 5 mph.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. Breezy, with a north northeast wind 16 to 24 mph, with gusts as high as 30 mph.

    High: 64 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38. North wind 5 to 10 mph becoming light and variable  in the evening. Winds could gust as high as 18 mph.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. Calm wind.
Tuesday
Sunny, with a high near 63. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 40. Calm wind becoming northeast around 5 mph.
Wednesday
Mostly sunny, with a high near 64. Breezy, with a north northeast wind 16 to 24 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 38. North wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 62.
Friday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 42.
Saturday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 62.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Sunday
Areas of fog. Otherwise, partly sunny, with a high near 62.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Monday
Areas of fog. Otherwise, mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.27°N 122.42°W (Elev. 66 ft)
12:26 am PST Dec 2, 2025
12am PST Dec 2, 2025-6pm PST Dec 8, 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