Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

50°F

10°C

Humidity	92%
Wind Speed	N 0 MPH
Barometer	30.05 in (1017.61 mb)
Dewpoint	48°F (9°C)
Visibility	9.00 mi
Last update	03 Aug 04:53 AM PDT

More Information:

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

Extended Forecast for

Saint Helena CA

Today
High: 89 °F
Becoming
Sunny
Tonight
Low: 55 °F
Mostly Clear
Monday
High: 89 °F
Sunny
Monday Night
Low: 53 °F
Mostly Clear
Tuesday
High: 90 °F
Sunny
Tuesday Night
Low: 58 °F
Mostly Clear
Wednesday
High: 93 °F
Sunny
Wednesday Night
Low: 59 °F
Partly Cloudy
Thursday
High: 93 °F
Mostly Sunny

Detailed Forecast

Today

Partly sunny, then gradually becoming sunny, with a high near 89. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 18 mph.

Tonight

Mostly clear, with a low around 55. West northwest wind 5 to 14 mph, with gusts as high as 21 mph.

Monday

Sunny, with a high near 89. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

Monday Night

Mostly clear, with a low around 53. West wind 8 to 13 mph becoming light and variable after midnight.

Tuesday

Sunny, with a high near 90. Calm wind.

Tuesday Night

Mostly clear, with a low around 58.

Wednesday

Sunny, with a high near 93.