Coastal Storm Impacting the Mid-Atlantic; Heavy Rain and Below Average Temperatures Over the Plains

A coastal storm will bring widespread rain, gusty winds, shallow coastal flooding, rip currents, large surf and possible areal flooding over the Mid-Atlantic region into Wednesday. Heavy rains and thunderstorms, some severe, persist across the Plains. Above average temperatures expected across much of the CONUS, except over the Plains. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

84°F

29°C

Humidity 37%
Wind Speed S 8 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 16 Sep 06:05 PM PDT
Extended Forecast for

Guerneville CA

  • Tonight

    Tonight: Clear, with a low around 58. Calm wind.

    Low: 58 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 84. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 84 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 11pm.  Mostly cloudy, with a low around 57. South southwest wind around 6 mph becoming calm  in the evening.

    Low: 57 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before 11am.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 78.

    High: 78 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 81.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 58. Calm wind.
Wednesday
Sunny, with a high near 92. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 58. West southwest wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 84. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 57. South southwest wind around 6 mph becoming calm in the evening.
Friday
A 20 percent chance of showers before 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 78.
Friday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 55.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 86.
Sunday Night
Clear, with a low around 59.
Monday
Sunny, with a high near 89.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 59.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.52°N 122.98°W (Elev. 95 ft)
1:26 pm PDT Sep 16, 2025
6pm PDT Sep 16, 2025-6pm PDT Sep 23, 2025
 
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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