Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Overcast

57°F

14°C

Humidity 87%
Wind Speed WSW 5 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 17 Jun 12:35 AM PDT
Extended Forecast for

2 Miles E Guerneville CA

Coastal Flood Advisory June 17, 12:46am until June 18, 05:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory June 17, 12:46am until June 18, 05:00am

    NOW until 5:00am Thu

    Coastal Flood Advisory

  • Overnight

    Low: 53 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 9am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 77. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 77 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm.  Otherwise, increasing clouds, with a low around 54. Light and variable wind.

    Low: 54 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 74. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 54. South southwest wind around 6 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 53. Calm wind.
Wednesday
Areas of fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 77. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Wednesday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 54. Light and variable wind.
Thursday
Patchy fog before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 74. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 54. South southwest wind around 6 mph becoming calm in the evening.
Juneteenth
Partly sunny, with a high near 71.
Friday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 52.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81.
Sunday Night
Patchy fog. Otherwise, mostly clear, with a low around 52.
Monday
Patchy fog. Otherwise, mostly sunny, with a high near 79.
Monday Night
Widespread fog. Otherwise, mostly clear, with a low around 52.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Guerneville CA
 38.5°N 122.95°W (Elev. 79 ft)
11:27 pm PDT Jun 16, 2026
12am PDT Jun 17, 2026-6pm PDT Jun 23, 2026
 
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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