Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Current conditions at

Novato / Gnoss Field (KDVO)

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

Clear

64°F

18°C

Humidity 55%
Wind Speed W 24 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 26 May 05:55 PM PDT
Extended Forecast for

Petaluma CA

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 46. West wind 11 to 16 mph becoming light  after midnight. Winds could gust as high as 28 mph.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: A slight chance of rain between 3pm and 4pm.  Areas of fog before 7am.  Otherwise, mostly sunny, with a high near 70. Calm wind becoming west southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 20%.

    High: 70 °F

    Areas Fog
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 3am, then a slight chance of rain after 4am.  Patchy fog after 1am.  Otherwise, increasing clouds, with a low around 48. West southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 48 °F

    Partly Cloudy
    then Slight
    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: A 20 percent chance of rain before 11am.  Patchy fog before 8am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind becoming southwest around 6 mph in the afternoon.  New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. West wind 3 to 8 mph.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 75.

    High: 75 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Areas of fog after 5am.  Otherwise, mostly clear, with a low around 47.

    Low: 47 °F

    Clear then
    Areas Fog

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 46. West wind 11 to 16 mph becoming light after midnight. Winds could gust as high as 28 mph.
Wednesday
A slight chance of rain between 3pm and 4pm. Areas of fog before 7am. Otherwise, mostly sunny, with a high near 70. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A slight chance of rain before 3am, then a slight chance of rain after 4am. Patchy fog after 1am. Otherwise, increasing clouds, with a low around 48. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
A 20 percent chance of rain before 11am. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind becoming southwest around 6 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Partly cloudy, with a low around 49. West wind 3 to 8 mph.
Friday
Mostly sunny, with a high near 69.
Friday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 48.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75.
Saturday Night
Areas of fog after 5am. Otherwise, mostly clear, with a low around 47.
Sunday
Patchy fog before 7am. Otherwise, sunny, with a high near 80.
Sunday Night
Patchy fog. Otherwise, mostly clear, with a low around 49.
Monday
Sunny, with a high near 82.
Monday Night
Patchy fog. Otherwise, mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Petaluma CA
 38.22°N 122.61°W (Elev. 197 ft)
1:26 pm PDT May 26, 2026
6pm PDT May 26, 2026-6pm PDT Jun 2, 2026
 
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Additional Resources

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