Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

64°F

18°C

Humidity 67%
Wind Speed E 6 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 12 Nov 07:00 PM PST
Extended Forecast for

4 Miles NE Sonoma CA

Wind Advisory November 12, 10:00pm until November 13, 10:00am
Click here for hazard details and duration
Wind Advisory
  • Tonight

    Tonight: Showers. The rain could be heavy at times.  Low around 56. South southeast wind 10 to 14 mph, with gusts as high as 34 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 56 °F

    Heavy Rain

  • Thursday

    Thursday: Showers. The rain could be heavy at times.  Temperature falling to around 54 by 5pm. South wind 14 to 20 mph, with gusts as high as 43 mph.  Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    High: 60 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of showers.  Mostly cloudy, with a steady temperature around 53. South wind 7 to 15 mph, with gusts as high as 28 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before 10am.  Mostly sunny, with a high near 58. East northeast wind around 6 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers after 10pm.  Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 4am.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers after 10am.  Mostly cloudy, with a high near 55.

    High: 55 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers. The rain could be heavy at times. Low around 56. South southeast wind 10 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Thursday
Showers. The rain could be heavy at times. Temperature falling to around 54 by 5pm. South wind 14 to 20 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a steady temperature around 53. South wind 7 to 15 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of showers, mainly before 10am. Mostly sunny, with a high near 58. East northeast wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 20 percent chance of showers after 10pm. Partly cloudy, with a low around 48. Calm wind.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
A 20 percent chance of showers before 4am. Mostly cloudy, with a low around 50.
Sunday
A slight chance of showers after 10am. Mostly cloudy, with a high near 55.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 48.
Monday
A chance of showers, mainly before 10am. Mostly sunny, with a high near 53.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 44.
Tuesday
Sunny, with a high near 56.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 55.
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 Nov 12, 2025
7pm PST Nov 12, 2025-6pm PST Nov 19, 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