Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Flood Watch until December 26, 10:00 PM PST

Current conditions at

Novato / Gnoss Field (KDVO)

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

light drizzle

55°F

13°C

Humidity	76%
Wind Speed	SSW 21 MPH
Barometer	29.87 in (1011.51 mb)
Dewpoint	48°F (9°C)
Visibility	4.00 mi
Last update	26 Dec 12:15 PM PST

More Information:

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

Extended Forecast for

8 Miles SW Petaluma CA

Flood Watch December 26, 12:44pm until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 26, 12:44pm until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
This Afternoon
High: 52 °F
Showers
Likely
Tonight
Low: 42 °F
Chance
Showers
Saturday
High: 52 °F
Sunny
Saturday Night
Low: 37 °F
Increasing
Clouds
Sunday
High: 53 °F
Sunny
Sunday Night
Low: 36 °F
Mostly Clear
then Patchy
Frost
Monday
High: 53 °F
Areas Frost
then Sunny
Monday Night
Low: 36 °F
Mostly Clear
then Patchy
Frost

Detailed Forecast

This Afternoon

Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 52. West southwest wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 42. West wind around 8 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.

Saturday

Sunny, with a high near 52. North northwest wind around 8 mph.

Saturday Night

Increasing clouds, with a low around 37. Light north wind.

Sunday

Sunny, with a high near 53. East northeast wind 3 to 5 mph.

Sunday Night

Patchy frost after 3am. Otherwise, mostly clear, with a low around 36.

Monday

Areas of frost before 8am. Otherwise, sunny, with a high near 53.

Monday Night

Patchy frost after 5am. Otherwise, mostly clear, with a low around 36.