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

Coastal Flood Advisory until June 18, 05:00 AM PDT

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	93%
Wind Speed	SSW 5 MPH
Barometer	29.91 in (1012.87 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	17 Jun 11:00 PM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Saint Helena CA

Coastal Flood Advisory June 17, 11:25pm until June 18, 05:00am

Click here for hazard details and duration

Coastal Flood Advisory

Coastal Flood Advisory June 17, 11:25pm until June 18, 05:00am
NOW until 5:00am Thu
Coastal Flood Advisory
Tonight
Low: 55 °F
Patchy Fog
Thursday
High: 78 °F
Patchy Fog
then Sunny
Thursday Night
Low: 52 °F
Partly Cloudy
then Patchy
Fog
Juneteenth
High: 74 °F
Becoming
Sunny
Friday Night
Low: 51 °F
Mostly Clear
then Fog
Saturday
High: 79 °F
Areas Fog
then Sunny
Saturday Night
Low: 50 °F
Clear then
Fog
Sunday
High: 85 °F
Areas Fog
then Sunny

Detailed Forecast

Tonight

Patchy fog after 1am. Otherwise, increasing clouds, with a steady temperature around 55. Calm wind.

Thursday

Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

Thursday Night

Patchy fog after 1am. Otherwise, increasing clouds, with a low around 52. West southwest wind 5 to 7 mph becoming calm in the evening.

Juneteenth

Cloudy through mid morning, then gradual clearing, with a high near 74. Calm wind becoming southwest around 6 mph in the afternoon.

Friday Night

Widespread fog, mainly after 3am. Otherwise, partly cloudy, with a low around 51. Southwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.

Saturday

Areas of fog before 8am. Otherwise, sunny, with a high near 79.

Saturday Night

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

Sunday

Areas of fog before 8am. Otherwise, mostly sunny, with a high near 85.

Sunday Night

Widespread fog, mainly after 3am. Otherwise, mostly clear, with a low around 51.

Monday

Areas of fog before 8am. Otherwise, sunny, with a high near 86.

Monday Night

Widespread fog. Otherwise, mostly clear, with a low around 52.