Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

smoke

57°F

14°C

Humidity 87%
Wind Speed S 8 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Jul 09:20 PM PDT
Extended Forecast for

Guerneville CA

  • Tonight

    Tonight: Widespread fog, mainly between 10pm and midnight.  Otherwise, increasing clouds, with a low around 51. Calm wind.

    Low: 51 °F

    Fog

  • Wednesday

    Wednesday: A slight chance of drizzle before 11am.  Widespread fog, mainly before 9am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 73. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 73 °F

    Slight Chance
    Drizzle and
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of drizzle after 11pm.  Widespread fog, mainly after 2am.  Otherwise, increasing clouds, with a low around 52. Calm wind.

    Low: 52 °F

    Slight Chance
    Drizzle and
    Fog

  • Thursday

    Thursday: A slight chance of drizzle before 11am.  Widespread fog, mainly before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 76 °F

    Slight Chance
    Drizzle and
    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 51. Southwest wind around 6 mph becoming calm  in the evening.

    Low: 51 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 78.

    High: 78 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after midnight.  Otherwise, mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Areas of fog before 8am.  Otherwise, sunny, with a high near 80.

    High: 80 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Widespread fog, mainly between 10pm and midnight. Otherwise, increasing clouds, with a low around 51. Calm wind.
Wednesday
A slight chance of drizzle before 11am. Widespread fog, mainly before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 73. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Wednesday Night
A slight chance of drizzle after 11pm. Widespread fog, mainly after 2am. Otherwise, increasing clouds, with a low around 52. Calm wind.
Thursday
A slight chance of drizzle before 11am. Widespread fog, mainly before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Thursday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 51. Southwest wind around 6 mph becoming calm in the evening.
Friday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 78.
Friday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 51.
Saturday
Areas of fog before 8am. Otherwise, sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 52.
Monday
Patchy fog. Otherwise, sunny, with a high near 81.
Monday Night
Patchy fog. Otherwise, mostly clear, with a low around 51.
Tuesday
Areas of fog. Otherwise, mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.52°N 122.98°W (Elev. 95 ft)
1:26 pm PDT Jul 15, 2025
9pm PDT Jul 15, 2025-6pm PDT Jul 22, 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