A Wintry Mix in the Northeast; Rain and High Elevation Snow Returns to California

A clipper system tracking across the U.S./Canadian border will bring snowfall and mixed precipitation across the Northeast. A modest atmospheric river associated with a Pacific system will bring lower elevation/coastal rain, high elevation snow/wintry mix, and gusty winds in California into the Intermountain West. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

46°F

8°C

Humidity	87%
Wind Speed	SE 3 MPH
Barometer	29.9 in (1012.53 mb)
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Last update	09 Feb 10:35 PM PST

More Information:

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

Extended Forecast for

Saint Helena CA

Tonight
Low: 44 °F
Mostly Cloudy
Tuesday
High: 58 °F
Mostly Cloudy
then Rain
Tuesday Night
Low: 46 °F
Showers and
Patchy Fog
Wednesday
High: 56 °F
Showers and
Fog
Wednesday Night
Low: 45 °F
Rain Likely
and Areas Fog
then Chance
Rain and Fog
Thursday
High: 62 °F
Areas Fog
then Mostly
Sunny
Thursday Night
Low: 41 °F
Patchy Fog
Friday
High: 65 °F
Sunny
Friday Night
Low: 43 °F
Patchy Fog
then Slight
Chance Rain
and Areas Fog

Detailed Forecast

Tonight

Mostly cloudy, with a low around 44. Calm wind.

Tuesday

Rain, mainly after noon. High near 58. Calm wind becoming east southeast 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday Night

Rain and possibly a thunderstorm before 7pm, then showers and possibly a thunderstorm between 7pm and 10pm, then rain after 10pm. Patchy fog before 4am. Low around 46. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

Rain before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then rain likely and possibly a thunderstorm after 4pm. Widespread fog between 7am and noon. High near 56. Light south southeast wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Rain likely, mainly before 10pm. Widespread fog, mainly between 1am and 2am. Otherwise, mostly cloudy, with a low around 45. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday

Areas of fog before 11am. Otherwise, partly sunny, with a high near 62.

Thursday Night

Patchy fog after 11pm. Otherwise, mostly clear, with a low around 41.

Friday

Sunny, with a high near 65.

Friday Night

A slight chance of rain after 4am. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 43.

Saturday

A chance of rain, mainly after 10am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 58.

Saturday Night

Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 40.