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.

Overcast

59°F

15°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Jun 11:00 PM PDT
Extended Forecast for

3 Miles NE Guerneville CA

  • Tonight

    Tonight: Cloudy, with a steady temperature around 59. South southeast wind 3 to 5 mph.

    Low: 59 °F

    Cloudy

  • Juneteenth

    Juneteenth: Cloudy through mid morning, then gradual clearing, with a high near 66. South southeast wind 5 to 9 mph.

    High: 66 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: Increasing clouds, with a low around 52. Southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 52 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 71 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, sunny, with a high near 78.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Cloudy, with a steady temperature around 59. South southeast wind 3 to 5 mph.
Juneteenth
Cloudy through mid morning, then gradual clearing, with a high near 66. South southeast wind 5 to 9 mph.
Friday Night
Increasing clouds, with a low around 52. Southwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Saturday Night
Patchy fog after 2am. 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 78.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 77.
Tuesday Night
Patchy fog. Otherwise, mostly clear, with a low around 53.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Guerneville CA
 38.53°N 122.93°W (Elev. 1198 ft)
Last Update:
11:26 pm PDT Jun 18, 2026
Forecast Valid:
11pm PDT Jun 18, 2026-6pm PDT Jun 25, 2026
 
Forecast Discussion
 
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