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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Novato / Gnoss Field (KDVO)

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

Clear

43°F

6°C

Humidity 86%
Wind Speed S 5 MPH
Barometer 30.44 in (1030.82 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 09 Jan 07:55 PM PST
Extended Forecast for

Petaluma CA

Cold Weather Advisory January 10, 01:00am until January 10, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Areas of frost after 4am. Otherwise, partly cloudy, with a low around 34. Light east southeast wind.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Saturday

    Saturday: Patchy frost before 8am. Otherwise, partly sunny, with a high near 56. East southeast wind around 6 mph.

    High: 56 °F

    Patchy Frost
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Areas of frost before 7am. Otherwise, mostly sunny, with a high near 57. Light east northeast wind.

    High: 57 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 10pm. Patchy frost after 5am. Otherwise, partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Fog
    then Patchy
    Frost and
    Patchy Fog

  • Monday

    Monday: Patchy fog before 10am. Patchy frost before 8am. Otherwise, mostly sunny, with a high near 58.

    High: 58 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Monday Night

    Monday Night: Patchy fog. Otherwise, mostly clear, with a low around 39.

    Low: 39 °F

    Patchy Fog

  • Tuesday

    Tuesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog. Otherwise, mostly clear, with a low around 41.

    Low: 41 °F

    Patchy Fog

Detailed Forecast

Tonight
Areas of frost after 4am. Otherwise, partly cloudy, with a low around 34. Light east southeast wind.
Saturday
Patchy frost before 8am. Otherwise, partly sunny, with a high near 56. East southeast wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 37. Calm wind.
Sunday
Areas of frost before 7am. Otherwise, mostly sunny, with a high near 57. Light east northeast wind.
Sunday Night
Patchy fog after 10pm. Patchy frost after 5am. Otherwise, partly cloudy, with a low around 36. Calm wind.
Monday
Patchy fog before 10am. Patchy frost before 8am. Otherwise, mostly sunny, with a high near 58.
Monday Night
Patchy fog. Otherwise, mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Patchy fog. Otherwise, mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Petaluma CA
 38.24°N 122.62°W (Elev. 39 ft)
Last Update:
1:09 pm PST Jan 9, 2026
Forecast Valid:
8pm PST Jan 9, 2026-6pm PST Jan 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation