Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain Returns to California

Lake effect snow will continue through Friday bringing significant snowfall to areas east to southeast of the Great Lakes. Snow squalls may impact New Year's Eve travel this evening and overnight across parts of the Great Lakes, Ohio Valley, Mid-Atlantic, and Upstate New York. Heavy rain will bring another flash flooding threat for southern California New Year's Eve into New Year's Day. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Mist

41°F

5°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	30.09 in (1018.96 mb)
Dewpoint	41°F (5°C)
Visibility	4.00 mi
Last update	31 Dec 06:20 AM PST

More Information:

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

Extended Forecast for

7 Miles WSW Saint Helena CA

Today
High: 52 °F
Rain Likely
Tonight
Low: 48 °F
Rain
New Year's Day
High: 55 °F
Rain
Thursday Night
Low: 52 °F
Rain
Friday
High: 54 °F
Rain
Friday Night
Low: 50 °F
Showers
Saturday
High: 53 °F
Rain
Saturday Night
Low: 48 °F
Rain
Sunday
High: 52 °F
Rain Likely

Detailed Forecast

Today

Rain likely, mainly after 10am. Cloudy, with a high near 52. East wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Tonight

Rain. Low around 48. East wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

New Year's Day

Rain. High near 55. Southeast wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Rain. Low around 52. Southeast wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

Rain. High near 54. South southeast wind 9 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Friday Night

Showers and possibly a thunderstorm before 4am, then rain and possibly a thunderstorm after 4am. Low around 50. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Saturday

Rain. High near 53. Chance of precipitation is 90%.

Saturday Night

Rain. Cloudy, with a low around 48.

Sunday

Rain likely. Mostly cloudy, with a high near 52.

Sunday Night

Rain likely. Mostly cloudy, with a low around 46.

Monday

Rain likely. Mostly cloudy, with a high near 51.

Monday Night

Rain likely. Mostly cloudy, with a low around 44.