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

An Alberta clipper will bring lake effect snow downwind of the Great Lakes, with the highest snow totals downwind of Lakes Erie and Ontario. Snow squalls may impact New Year's Eve travel during the evening and overnight hours across parts of the Great Lakes, Ohio Valley, and Northeast. Heavy rain will bring a flash flooding threat for southern California on New Year's Eve into New Year's Day. Read More >

Hazardous Weather Conditions

Coastal Flood Advisory in effect from December 31, 05:00 AM PST until January 4, 02:00 PM PST

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Mist

40°F

4°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	30.09 in (1018.96 mb)
Dewpoint	40°F (4°C)
Visibility	2.50 mi
Last update	31 Dec 03:53 AM PST

More Information:

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

Extended Forecast for

Guerneville CA

Coastal Flood Advisory December 31, 05:00am until January 4, 02:00pm

Click here for hazard details and duration

Coastal Flood Advisory

Overnight
Low: 46 °F
Chance Rain
Wednesday
High: 53 °F
Rain Likely
Wednesday Night
Low: 49 °F
Rain
New Year's Day
High: 56 °F
Rain
Thursday Night
Low: 52 °F
Rain
Friday
High: 56 °F
Heavy Rain
Friday Night
Low: 50 °F
Heavy Rain
Saturday
High: 55 °F
Rain
Saturday Night
Low: 47 °F
Rain

Detailed Forecast

Overnight

A 30 percent chance of rain. Cloudy, with a steady temperature around 46. Calm wind.

Wednesday

Rain likely, mainly after 10am. Cloudy, with a high near 53. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain. Low around 49. East wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

New Year's Day

Rain. High near 56. East wind 5 to 8 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Rain. Low around 52. South wind 5 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Rain. The rain could be heavy at times. High near 56. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

Friday Night

Rain and possibly a thunderstorm before 7pm, then showers and possibly a thunderstorm between 7pm and 10pm, then rain after 10pm. Some of the storms could produce heavy rainfall. Low around 50. Chance of precipitation is 100%.

Saturday

Rain. Cloudy, with a high near 55.

Saturday Night

Rain. Cloudy, with a low around 47.

Sunday

Rain. Mostly cloudy, with a high near 54.

Sunday Night

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

Monday

Rain likely. Mostly cloudy, with a high near 54.

Monday Night

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