Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Current conditions at

Novato / Gnoss Field (KDVO)

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

Overcast

63°F

17°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 03 Sep 09:55 PM PDT
Extended Forecast for

Petaluma CA

  • Tonight

    Tonight: Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 51. West wind around 5 mph becoming calm  after midnight.

    Low: 51 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog between 7am and 8am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 72. Light west northwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 72 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am.  Otherwise, increasing clouds, with a low around 50. West wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 21 mph.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 74. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 50. West wind 5 to 10 mph becoming light  in the evening. Winds could gust as high as 20 mph.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am.  Otherwise, sunny, with a high near 74.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 51.

    Low: 51 °F

    Clear then
    Patchy Fog

  • Labor Day

    Labor Day: Areas of fog before 9am.  Otherwise, sunny, with a high near 83.

    High: 83 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 51. West wind around 5 mph becoming calm after midnight.
Friday
Patchy fog between 7am and 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 72. Light west northwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 50. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 21 mph.
Saturday
Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 74. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Saturday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 50. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Sunday
Patchy fog before 8am. Otherwise, sunny, with a high near 74.
Sunday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 51.
Labor Day
Areas of fog before 9am. Otherwise, sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Partly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
A slight chance of rain. Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Petaluma CA
 38.23°N 122.65°W (Elev. 98 ft)
1:26 pm PDT Sep 3, 2026
10pm PDT Sep 3, 2026-6pm PDT Sep 10, 2026
 
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