Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

45°F

7°C

Humidity 93%
Wind Speed E 9 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 08 Dec 06:00 PM PST
Extended Forecast for

4 Miles NE Sonoma CA

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Patchy fog between 9am and noon.  Otherwise, sunny, with a high near 58. Calm wind.

    High: 58 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

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

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog between 10am and 11am.  Otherwise, sunny, with a high near 60. Calm wind.

    High: 60 °F

    Patchy Fog
    then 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 60.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

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

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. Calm wind.
Tuesday
Patchy fog between 9am and noon. Otherwise, sunny, with a high near 58. Calm wind.
Tuesday Night
Mostly clear, with a low around 47. Calm wind.
Wednesday
Patchy fog between 10am and 11am. Otherwise, sunny, with a high near 60. Calm wind.
Wednesday Night
Mostly clear, with a low around 47. Calm wind.
Thursday
Sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 48.
Monday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Sonoma CA
 38.34°N 122.41°W (Elev. 1398 ft)
12:26 pm PST Dec 8, 2025
6pm PST Dec 8, 2025-6pm PST Dec 15, 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