Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. 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	N 0 MPH
Barometer	30.23 in (1023.71 mb)
Dewpoint	34°F (1°C)
Visibility	0.25 mi
Last update	30 Dec 07:00 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, 07:20am until December 30, 10:00am

Click here for hazard details and duration

Coastal Flood Advisory

...

Cold Weather Advisory until December 30, 09:00am
Dense Fog Advisory December 30, 07:20am until December 30, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Today
High: 58 °F
Increasing
Clouds
Tonight
Low: 45 °F
Mostly Cloudy
then Slight
Chance Rain
Wednesday
High: 54 °F
Rain Likely
and Patchy
Fog
Wednesday Night
Low: 48 °F
Rain and
Areas Fog
New Year's Day
High: 55 °F
Rain and
Dense Fog
Thursday Night
Low: 52 °F
Showers and
Areas Fog
Friday
High: 56 °F
Showers and
Patchy Fog
Friday Night
Low: 46 °F
Rain and
Patchy Fog

Detailed Forecast

Today

Increasing clouds, with a high near 58. East wind 3 to 5 mph.

Tonight

A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 45. East northeast wind 3 to 5 mph.

Wednesday

Rain likely, mainly after 10am. Patchy fog after 3pm. Otherwise, cloudy, with a high near 54. Calm wind becoming east 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. Areas of fog. 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 between 7am and 10am. High near 55. Calm wind becoming south southeast around 6 mph in the morning. 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%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Showers and possibly a thunderstorm before 10am, then rain after 10am. Patchy fog before 10am. High near 56. Chance of precipitation is 90%.

Friday Night

Rain. Patchy fog after 10pm. Otherwise, cloudy, with a low around 46.

Saturday

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

Saturday Night

Rain likely, mainly before 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 43.

Sunday

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

Sunday Night

Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 44.