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

Novato / Gnoss Field (KDVO)

Lat: 38.14178°NLon: 122.55463°WElev: 3.0ft.

Clear

41°F

5°C

Humidity 93%
Wind Speed S 5 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 39°F (4°C)
Visibility 8.00 mi
Wind Chill38°F (3°C)
Last update 04 Dec 04:35 AM PST
Extended Forecast for

Sonoma CA

Coastal Flood Advisory December 4, 04:54am until December 7, 03:00pm
Cold Weather Advisory December 4, 04:54am until December 4, 08:00am
Click here for hazard details and duration
Coastal Flood Advisory
...
  •  
    Coastal Flood Advisory December 4, 04:54am until December 7, 03:00pm
    Cold Weather Advisory December 4, 04:54am until December 4, 08:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 59 °F

    Sunny

  • Tonight

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

    Low: 40 °F

    Mostly Clear

  • Friday

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

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 10pm. Otherwise, mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Saturday

    Saturday: Areas of fog before noon. Otherwise, mostly sunny, with a high near 63. Light and variable wind.

    High: 63 °F

    Areas Fog
    then Sunny

  • Saturday Night

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

    Low: 43 °F

    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 10am. Otherwise, partly sunny, with a high near 64.

    High: 64 °F

    Areas Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Patchy Fog

Detailed Forecast

Today
Sunny, with a high near 59. Calm wind becoming south around 6 mph.
Tonight
Mostly clear, with a low around 40. Calm wind.
Friday
Mostly sunny, with a high near 63. Light and variable wind.
Friday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 42. Calm wind.
Saturday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 63. Light and variable wind.
Saturday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 43.
Sunday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 64.
Sunday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 42.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 65.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 43.
Tuesday
Areas of fog. Otherwise, mostly sunny, with a high near 65.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 45.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.3°N 122.49°W (Elev. 108 ft)
Last Update:
2:09 am PST Dec 4, 2025
Forecast Valid:
4am PST Dec 4, 2025-6pm PST Dec 10, 2025
 
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Additional Resources

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Chance of Precipitation