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

Novato / Gnoss Field (KDVO)

Lat: 38.14178°NLon: 122.55463°WElev: 3.0ft.

Partly Cloudy

48°F

9°C

Humidity	87%
Wind Speed	S 10 MPH
Barometer	30.18 in (1022.01 mb)
Dewpoint	45°F (7°C)
Visibility	9.00 mi
Wind Chill	44°F (7°C)
Last update	30 Dec 03:55 PM PST

More Information:

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

Extended Forecast for

Sonoma CA

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

Click here for hazard details and duration

Coastal Flood Advisory

Tonight
Low: 42 °F
Cloudy
Wednesday
High: 50 °F
Rain Likely
Wednesday Night
Low: 46 °F
Rain
New Year's Day
High: 54 °F
Rain
Thursday Night
Low: 51 °F
Rain
Friday
High: 55 °F
Rain
Friday Night
Low: 46 °F
Rain
Saturday
High: 53 °F
Rain
Saturday Night
Low: 44 °F
Rain

Detailed Forecast

Tonight

Cloudy, with a low around 42. Calm wind becoming north northeast around 5 mph.

Wednesday

Rain likely after 10am. Cloudy, with a high near 50. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain. Low around 46. Light east wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

New Year's Day

Rain. High near 54. South southeast wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

Rain. Low around 51. South southeast wind around 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 55. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Friday Night

Rain. Low around 46. Chance of precipitation is 90%.

Saturday

Rain. Mostly cloudy, with a high near 53.

Saturday Night

Rain. Cloudy, with a low around 44.

Sunday

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

Sunday Night

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