Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Novato / Gnoss Field (KDVO)

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

Clear

72°F

22°C

Humidity 53%
Wind Speed NE 3 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 08 Sep 09:55 PM PDT
Extended Forecast for

Petaluma CA

Heat Advisory September 8, 10:17pm until September 10, 10:00pm
Coastal Flood Advisory until September 10, 01:00am
Click here for hazard details and duration
Heat Advisory
Coastal Flood Advisory
  •  
    Heat Advisory September 8, 10:17pm until September 10, 10:00pm
    Coastal Flood Advisory until September 10, 01:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 98. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65. Light west wind.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 65. Calm wind.
Wednesday
Mostly sunny and hot, with a high near 98. Calm wind becoming west 5 to 9 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 65. Light west wind.
Thursday
Sunny, with a high near 90. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 57. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 52.
Monday
Mostly sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 77.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Petaluma CA
 38.26°N 122.65°W (Elev. 89 ft)
1:25 pm PDT Sep 8, 2026
10pm PDT Sep 8, 2026-6pm PDT Sep 15, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database