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 >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Mist

55°F

13°C

Humidity	93%
Wind Speed	N 0 MPH
Barometer	29.91 in (1012.87 mb)
Dewpoint	54°F (12°C)
Visibility	6.00 mi
Last update	18 Jun 05:35 AM PDT

More Information:

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

Extended Forecast for

Saint Helena CA

Today
High: 79 °F
Patchy Fog
then Sunny
Tonight
Low: 52 °F
Mostly Clear
then Patchy
Fog
Juneteenth
High: 74 °F
Patchy Fog
then Sunny
Friday Night
Low: 51 °F
Mostly Clear
then Patchy
Fog
Saturday
High: 78 °F
Patchy Fog
then Sunny
Saturday Night
Low: 50 °F
Clear then
Patchy Fog
Sunday
High: 86 °F
Patchy Fog
then Sunny
Sunday Night
Low: 51 °F
Clear then
Fog
Monday
High: 88 °F
Areas Fog
then Sunny

Detailed Forecast

Today

Patchy fog before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

Tonight

Patchy fog after 2am. Otherwise, increasing clouds, with a low around 52. West southwest wind 5 to 7 mph becoming calm after midnight.

Juneteenth

Patchy fog between 7am and 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 74. Calm wind becoming southwest around 6 mph in the afternoon.

Friday Night

Patchy fog after 1am. Otherwise, partly cloudy, with a low around 51. West southwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.

Saturday

Patchy fog before 8am. Otherwise, sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.

Saturday Night

Patchy fog after midnight. Otherwise, mostly clear, with a low around 50.

Sunday

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

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 88.

Monday Night

Widespread fog, mainly after 3am. Otherwise, mostly clear, with a low around 52.