Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Novato / Gnoss Field (KDVO)

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

Clear

86°F

30°C

Humidity 58%
Wind Speed NNW 9 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 20 Mar 06:15 PM PDT
Extended Forecast for

8 Miles WSW Petaluma CA

Heat Advisory March 20, 06:44pm until March 20, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory March 20, 06:44pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 54 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 71. West wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. West wind 10 to 17 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 71. West wind 6 to 8 mph.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. West wind around 9 mph.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Tonight
Increasing clouds, with a low around 54. West wind 7 to 10 mph.
Saturday
Mostly sunny, with a high near 71. West wind 10 to 16 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 48. West wind 10 to 17 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 71. West wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 48. West wind around 9 mph.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 71.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WSW Petaluma CA
 38.19°N 122.75°W (Elev. 1063 ft)
2:07 pm PDT Mar 20, 2026
6pm PDT Mar 20, 2026-6pm PDT Mar 27, 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