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

Heavy Rain and Thunderstorms in the Lower Ohio Valley and Southeast; Flooding Continues Along the East Coast of Florida

An approaching cold front may produce isolated heavy rainfall and severe weather today over portions of the Lower Ohio Valley and Southeast. While the heavy rainfall is ending across east Florida, significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Read More >

Hazardous Weather Conditions

Current conditions at

Novato / Gnoss Field (KDVO)

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

Clear

70°F

21°C

Humidity 52%
Wind Speed W 8 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 04 Nov 03:35 PM PST
Extended Forecast for

Petaluma CA

Coastal Flood Advisory November 4, 04:08pm until November 9, 01:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory November 4, 04:08pm until November 9, 01:00pm

    NOW until 1:00pm Mon

    Coastal Flood Advisory

  • Tonight

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, sunny, with a high near 73. Calm wind becoming west around 5 mph in the afternoon.

    High: 73 °F

    Patchy Fog
    then Sunny

  • Thursday Night

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

    Low: 43 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 73. Calm wind.

    High: 73 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 44.

    Low: 44 °F

    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 74.

    High: 74 °F

    Areas Fog
    then Mostly
    Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 44. West northwest wind 3 to 8 mph. Winds could gust as high as 18 mph.
Thursday
Patchy fog before 9am. Otherwise, sunny, with a high near 73. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 43. Calm wind.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 73. Calm wind.
Friday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 44. Calm wind.
Saturday
Sunny, with a high near 75.
Saturday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 44.
Sunday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 74.
Sunday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 45.
Monday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 72.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 45.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 73.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 47.
Veterans Day
A slight chance of rain. Partly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Petaluma CA
 38.23°N 122.65°W (Elev. 98 ft)
Last Update:
1:01 pm PST Nov 4, 2026
Forecast Valid:
4pm PST Nov 4, 2026-6pm PST Nov 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation