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

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Fog

34°F

1°C

Humidity	100%
Wind Speed	NW 3 MPH
Barometer	30.21 in (1023.03 mb)
Dewpoint	34°F (1°C)
Visibility	0.50 mi
Last update	30 Dec 02:53 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

Cold Weather Advisory until December 30, 09:00am

Dense Fog Advisory December 30, 03:08am until December 30, 10:00am

Click here for hazard details and duration

Coastal Flood Advisory

Cold Weather Advisory

Dense Fog Advisory

Cold Weather Advisory until December 30, 09:00am
Dense Fog Advisory December 30, 03:08am until December 30, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 39 °F
Mostly Clear
Tuesday
High: 58 °F
Increasing
Clouds
Tuesday Night
Low: 46 °F
Mostly Cloudy
then Slight
Chance Rain
Wednesday
High: 54 °F
Rain Likely
and Patchy
Fog
Wednesday Night
Low: 48 °F
Rain and Fog
New Year's Day
High: 55 °F
Rain and
Dense Fog
Thursday Night
Low: 52 °F
Showers and
Areas Fog
Friday
High: 55 °F
Showers and
Patchy Fog

Detailed Forecast

Overnight

Mostly clear, with a low around 39. Light north northeast wind.

Tuesday

Increasing clouds, with a high near 58. Calm wind becoming east around 5 mph in the afternoon.

Tuesday Night

A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 46. East northeast wind 3 to 5 mph.

Wednesday

Rain likely, mainly after 10am. Patchy fog after 2pm. Otherwise, cloudy, with a high near 54. Calm wind becoming east northeast around 6 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain. Widespread fog, mainly after 4am. Low around 48. East wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

New Year's Day

Rain. Widespread dense fog, mainly before 10am. High near 55. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

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

Friday

Showers and possibly a thunderstorm before 10am, then rain after 10am. Patchy fog before 10am. Otherwise, cloudy, with a high near 55.

Friday Night

Rain. Patchy fog. Otherwise, cloudy, with a low around 46.

Saturday

Rain. Areas of fog. Otherwise, mostly cloudy, with a high near 53.

Saturday Night

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

Sunday

Rain likely. Widespread fog. Otherwise, mostly cloudy, with a high near 54.