National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Snow Squalls in the Northeast U.S. on Thursday; Heavy Rain Along the Gulf Coast

An arctic cold front will move through the Great Lakes and Northeast on Thursday, bringing moderate to heavy snow, strong winds, and possible whiteout conditions through Thursday afternoon. A storm system interacting with Gulf moisture will bring moderate to heavy rainfall to the western and central Gulf Coast on Thursday. Isolated instances of flash flooding will be possible. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

45°F

7°C

Humidity 65%
Wind Speed E 3 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 03 Dec 07:35 PM PST
Extended Forecast for

Sonoma CA

Coastal Flood Advisory December 3, 07:53pm until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 3, 07:53pm until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • Tonight

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 60. Calm wind becoming east northeast around 5 mph.

    High: 60 °F

    Sunny

  • Thursday Night

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

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63. Light and variable wind.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before noon. Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Patchy Fog

  • Sunday

    Sunday: Areas of fog before noon. Otherwise, partly sunny, with a high near 63.

    High: 63 °F

    Areas Fog
    then Mostly
    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. Light and variable wind.
Thursday
Sunny, with a high near 60. Calm wind becoming east northeast around 5 mph.
Thursday Night
Mostly clear, with a low around 40. Calm wind.
Friday
Sunny, with a high near 63. Light and variable wind.
Friday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 43. Calm wind.
Saturday
Patchy fog before noon. Otherwise, mostly sunny, with a high near 64.
Saturday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 44.
Sunday
Areas of fog before noon. Otherwise, partly sunny, with a high near 63.
Sunday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 43.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 64.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43.
Tuesday
Patchy fog. Otherwise, partly sunny, with a high near 65.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 45.
Wednesday
Patchy fog. Otherwise, partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.29°N 122.46°W (Elev. 72 ft)
Last Update:
12:26 pm PST Dec 3, 2025
Forecast Valid:
7pm PST Dec 3, 2025-6pm PST Dec 10, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation