Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Novato / Gnoss Field (KDVO)

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

Clear

37°F

3°C

Humidity	100%
Wind Speed	S 3 MPH
Barometer	30.22 in (1023.37 mb)
Dewpoint	37°F (3°C)
Visibility	7.00 mi
Last update	30 Dec 01:15 AM PST

More Information:

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

Extended Forecast for

8 Miles WSW Petaluma CA

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

Dense Fog Advisory December 30, 01:36am until December 30, 10:00am

Cold Weather Advisory until December 30, 09:00am

Click here for hazard details and duration

Coastal Flood Advisory

Dense Fog Advisory

Cold Weather Advisory

Dense Fog Advisory December 30, 01:36am until December 30, 10:00am
Cold Weather Advisory until December 30, 09:00am
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 38 °F
Mostly Clear
Tuesday
High: 54 °F
Increasing
Clouds
Tuesday Night
Low: 45 °F
Mostly Cloudy
then Slight
Chance Rain
Wednesday
High: 52 °F
Rain
Wednesday Night
Low: 48 °F
Rain
New Year's Day
High: 55 °F
Rain
Thursday Night
Low: 52 °F
Showers
Friday
High: 56 °F
Showers

Detailed Forecast

Overnight

Mostly clear, with a low around 38. East southeast wind around 7 mph.

Tuesday

Increasing clouds, with a high near 54. East southeast wind 10 to 14 mph, with gusts as high as 20 mph.

Tuesday Night

A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 45. East southeast wind around 10 mph.

Wednesday

Rain, mainly after 10am. High near 52. East southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain. Low around 48. East wind 11 to 14 mph, with gusts as high as 21 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. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

Rain before 4am, then showers likely and possibly a thunderstorm after 4am. Low around 52. Chance of precipitation is 90%.

Friday

Showers likely and possibly a thunderstorm, then rain after 10am. Cloudy, with a high near 56.

Friday Night

Rain. Cloudy, with a low around 46.

Saturday

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

Saturday Night

Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 43.