Heavy to Excessive Rainfall for the Southwest; Thunderstorms in Florida with Flooding Possible

Tropical moisture from Priscilla will bring a multi-day thunderstorm, widespread heavy rainfall and flash flooding event across the Southwest/Four Corners region. Flash flooding will be a concern in burn scars, slot canyons, and urban areas. Widespread storms are expected in central/South Florida with some isolated flash flooding possible. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.

Overcast

61°F

16°C

Humidity 87%
Wind Speed S 8 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 09 Oct 09:35 AM PDT
Extended Forecast for

Guerneville CA

  • Today

    Today: A 40 percent chance of showers.  Patchy fog before 10am.  Otherwise, partly sunny, with a high near 67. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 67 °F

    Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: A 30 percent chance of rain after 11am.  Partly sunny, with a high near 66. Calm wind becoming southwest 5 to 8 mph in the afternoon.  New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain before 11pm.  Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 49. Southwest wind 5 to 7 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance Rain
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, sunny, with a high near 70. Calm wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 70 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Rain likely, mainly after 11am.  Mostly cloudy, with a high near 62.

    High: 62 °F

    Rain Likely

Detailed Forecast

Today
A 40 percent chance of showers. Patchy fog before 10am. Otherwise, partly sunny, with a high near 67. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 47. Calm wind.
Friday
A 30 percent chance of rain after 11am. Partly sunny, with a high near 66. Calm wind becoming southwest 5 to 8 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 40 percent chance of rain before 11pm. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 49. Southwest wind 5 to 7 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 70. Calm wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Clear, with a low around 47.
Sunday
Sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 48.
Columbus Day
Rain likely, mainly after 11am. Mostly cloudy, with a high near 62.
Monday Night
Rain likely. Mostly cloudy, with a low around 48.
Tuesday
Rain likely. Patchy fog. Otherwise, mostly cloudy, with a high near 64.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Wednesday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.5°N 122.98°W (Elev. 397 ft)
8:52 am PDT Oct 9, 2025
9am PDT Oct 9, 2025-6pm PDT Oct 15, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database