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

Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Rain

58°F

14°C

Humidity 93%
Wind Speed SSW 3 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 56°F (13°C)
Visibility 7.00 mi
Last update 19 Jun 08:53 AM PDT
Extended Forecast for

Guerneville CA

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny, with a high near 68. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 68 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 52. Light and variable wind.

    Low: 52 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 72. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 72 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 52. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 52 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, sunny, with a high near 79. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 53.

    Low: 53 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 79.

    High: 79 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 68. Calm wind becoming south 5 to 8 mph in the afternoon.
Tonight
Increasing clouds, with a low around 52. Light and variable wind.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 72. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Saturday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 52. West southwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Patchy fog before 8am. Otherwise, sunny, with a high near 79. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 53.
Monday
Sunny, with a high near 78.
Monday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 53.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 79.
Tuesday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 53.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 81.
Wednesday Night
Patchy fog. Otherwise, mostly clear, with a low around 54.
Thursday
Patchy fog. Otherwise, sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.49°N 123°W (Elev. 197 ft)
Last Update:
2:16 am PDT Jun 19, 2026
Forecast Valid:
9am PDT Jun 19, 2026-6pm PDT Jun 25, 2026
 
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Additional Resources

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