Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. 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 WSW 3 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 17 Jun 10:00 AM PDT
Extended Forecast for

Santa Rosa CA

Coastal Flood Advisory June 17, 10:19am until June 18, 05:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory June 17, 10:19am until June 18, 05:00am

    NOW until 5:00am Thu

    Coastal Flood Advisory

  • Today

    High: 78 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Patchy fog after 1am.  Otherwise, increasing clouds, with a low around 53. Southwest wind around 6 mph becoming calm  in the evening.

    Low: 53 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 74. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 53. Southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 53 °F

    Increasing
    Clouds

  • Juneteenth

    Juneteenth: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 71. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 71 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 1am.  Otherwise, partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 76.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Widespread fog, mainly after 2am.  Otherwise, mostly clear, with a low around 50.

    Low: 50 °F

    Fog

Detailed Forecast

Today
Mostly cloudy early, then gradual clearing, with a high near 78. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tonight
Patchy fog after 1am. Otherwise, increasing clouds, with a low around 53. Southwest wind around 6 mph becoming calm in the evening.
Thursday
Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 74. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 53. Southwest wind 5 to 8 mph becoming calm in the evening.
Juneteenth
Patchy fog before 9am. Otherwise, partly sunny, with a high near 71. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Friday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 52.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 76.
Saturday Night
Widespread fog, mainly after 2am. Otherwise, mostly clear, with a low around 50.
Sunday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 81.
Sunday Night
Widespread fog, mainly after 3am. Otherwise, mostly clear, with a low around 51.
Monday
Widespread fog. Otherwise, mostly sunny, with a high near 80.
Monday Night
Widespread fog. Otherwise, mostly clear, with a low around 51.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa CA
 38.45°N 122.7°W (Elev. 190 ft)
9:26 am PDT Jun 17, 2026
10am 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