Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley Thursday afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

55°F

13°C

Humidity	86%
Wind Speed	SSE 8 MPH
Barometer	29.96 in (1014.56 mb)
Dewpoint	51°F (11°C)
Visibility	10.00 mi
Last update	08 Apr 08:53 PM PDT

More Information:

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

Extended Forecast for

4 Miles W Saint Helena CA

Tonight
Low: 56 °F
Partly Cloudy
Thursday
High: 59 °F
Slight Chance
T-storms then
Chance
Showers
Thursday Night
Low: 58 °F
Chance
Showers
Friday
High: 58 °F
Showers
Friday Night
Low: 50 °F
Showers
Likely
Saturday
High: 56 °F
Showers
Saturday Night
Low: 49 °F
Rain Likely
Sunday
High: 53 °F
Rain Likely
Sunday Night
Low: 47 °F
Chance Rain
then Mostly
Clear

Detailed Forecast

Tonight

Partly cloudy, with a low around 56. West wind 3 to 8 mph.

Thursday

A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Partly sunny, with a steady temperature around 59. Calm wind becoming southwest 5 to 8 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A 40 percent chance of showers. Mostly cloudy, with a steady temperature around 58. West southwest wind 5 to 9 mph becoming light southwest after midnight. New precipitation amounts of less than a tenth of an inch possible.

Friday

Showers likely, then showers and possibly a thunderstorm after 11am. High near 58. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. South wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Showers, with thunderstorms also possible after 11am. High near 56. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night

Rain likely, mainly before 11pm. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

Sunday

Rain likely. Mostly cloudy, with a high near 53.

Sunday Night

A chance of rain before 11pm. Partly cloudy, with a low around 47.

Monday

Sunny, with a high near 60.

Monday Night

Mostly clear, with a low around 48.

Tuesday

Mostly sunny, with a high near 63.