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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Hazardous Weather Conditions

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Overcast

56°F

13°C

Humidity 93%
Wind Speed SSW 3 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 54°F (12°C)
Visibility 7.00 mi
Last update 18 Jun 01:53 AM PDT
Extended Forecast for

2 Miles NNW Forestville CA

Coastal Flood Advisory June 18, 02:07am until June 18, 05:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory June 18, 02:07am until June 18, 05:00am

    NOW until 5:00am Thu

    Coastal Flood Advisory

  • Overnight

    Low: 53 °F

    Cloudy

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 72. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 72 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 54. Southwest wind around 6 mph becoming calm in the evening.

    Low: 54 °F

    Increasing
    Clouds

  • Juneteenth

    Juneteenth: Cloudy, then gradually becoming mostly sunny, with a high near 69. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 69 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 52. South southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 8am. Otherwise, sunny, with a high near 82.

    High: 82 °F

    Areas Fog
    then Sunny

Detailed Forecast

Overnight
Cloudy, with a low around 53. Calm wind.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 72. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 54. Southwest wind around 6 mph becoming calm in the evening.
Juneteenth
Cloudy, then gradually becoming mostly sunny, with a high near 69. 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. South southwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 51.
Sunday
Areas of fog before 8am. Otherwise, sunny, with a high near 82.
Sunday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 52.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81.
Monday Night
Widespread fog. Otherwise, mostly clear, with a low around 53.
Tuesday
Areas of fog. Otherwise, mostly sunny, with a high near 81.
Tuesday Night
Patchy fog. Otherwise, mostly clear, with a low around 53.
Wednesday
Patchy fog. Otherwise, sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Forestville CA
 38.51°N 122.89°W (Elev. 397 ft)
Last Update:
1:26 am PDT Jun 18, 2026
Forecast Valid:
2am PDT Jun 18, 2026-6pm PDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation