National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall in Florida; Critical Fire Weather in the Southeast; Heavy Rain and Flooding Concerns in Hawaii

Thunderstorms and periods of heavy to excessive rainfall will continue over Florida through Thursday; and will begin to impact the central Plains today. Dry and gusty conditions will promote elevated to critical fire weather conditions in the Southeast. A Kona Low is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the island chain through the weekend. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

75°F

24°C

Humidity 50%
Wind Speed W 5 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 08 Apr 04:35 PM PDT
Extended Forecast for

Guerneville CA

  • Tonight

    Tonight: Partly cloudy, with a low around 54. West wind around 6 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Partly sunny, with a high near 67. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 67 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 53. Southwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 8am. High near 66. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. South southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 11am. High near 60. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers

  • Saturday Night

    Saturday Night: Rain. Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Rain

  • Sunday

    Sunday: Rain likely. Mostly cloudy, with a high near 61.

    High: 61 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of rain, mainly before 11pm. Partly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. West wind around 6 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Partly sunny, with a high near 67. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
A 50 percent chance of showers. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 53. Southwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 8am. High near 66. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. South southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers, with thunderstorms also possible after 11am. High near 60. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Rain. Low around 46. Chance of precipitation is 80%.
Sunday
Rain likely. Mostly cloudy, with a high near 61.
Sunday Night
A chance of rain, mainly before 11pm. Partly cloudy, with a low around 44.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.52°N 122.98°W (Elev. 95 ft)
Last Update:
4:51 pm PDT Apr 8, 2026
Forecast Valid:
4pm PDT Apr 8, 2026-6pm PDT Apr 15, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation