Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Novato / Gnoss Field (KDVO)

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

Clear

86°F

30°C

Humidity 42%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 17 Aug 04:35 PM PDT
Extended Forecast for

4 Miles S Petaluma CA

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, increasing clouds, with a low around 53. West wind 5 to 8 mph becoming calm  after midnight.

    Low: 53 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 1am.  Otherwise, partly cloudy, with a low around 54. West wind around 6 mph becoming calm  in the evening.

    Low: 54 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 84. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 84 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. West southwest wind 5 to 9 mph becoming light  after midnight.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 53. West wind 5 to 8 mph becoming calm after midnight.
Tuesday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind becoming west 5 to 9 mph in the afternoon.
Tuesday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 54. West wind around 6 mph becoming calm in the evening.
Wednesday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 54. West southwest wind 5 to 9 mph becoming light after midnight.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 80.
Saturday Night
Patchy fog. Otherwise, mostly clear, with a low around 53.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 82.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Petaluma CA
 38.19°N 122.63°W (Elev. 233 ft)
1:26 pm PDT Aug 17, 2026
5pm PDT Aug 17, 2026-6pm PDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database