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

KF6YUA Sebastopol (AR323)

Lat: 38.3803°NLon: 122.8242°WElev: 230.0ft.

37°F

3°C

Humidity	99%
Wind Speed	SSE 1 MPH
Barometer	30.25 in (1024.38 mb)
Dewpoint	37°F (3°C)
Visibility	NA
Last update	30 Dec 05:26 AM PST

More Information:

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

Extended Forecast for

5 Miles ESE Rohnert Park 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, 05:44am 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, 05:44am until December 30, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 38 °F
Clear
Tuesday
High: 54 °F
Increasing
Clouds
Tuesday Night
Low: 47 °F
Mostly Cloudy
Wednesday
High: 51 °F
Chance Rain
Wednesday Night
Low: 47 °F
Rain
New Year's Day
High: 54 °F
Rain and
Patchy Fog
Thursday Night
Low: 51 °F
Showers and
Areas Fog
Friday
High: 53 °F
Showers

Detailed Forecast

Overnight

Clear, with a low around 38. East northeast wind around 9 mph.

Tuesday

Increasing clouds, with a high near 54. East wind around 10 mph.

Tuesday Night

Mostly cloudy, with a steady temperature around 47. East wind 8 to 10 mph.

Wednesday

A 50 percent chance of rain after 10am. Cloudy, with a high near 51. East wind 6 to 11 mph, with gusts as high as 18 mph. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain. Low around 47. East wind 14 to 16 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. Patchy fog after 10am. High near 54. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Rain before 4am, then showers likely and possibly a thunderstorm after 4am. Areas of fog before 1am. Low around 51. Chance of precipitation is 90%.

Friday

Showers likely and possibly a thunderstorm, then rain after 10am. Cloudy, with a high near 53.

Friday Night

Rain. Cloudy, with a low around 45.

Saturday

Rain likely. Patchy fog after 10am. Otherwise, mostly cloudy, with a high near 50.

Saturday Night

Rain likely. Areas of fog. Otherwise, mostly cloudy, with a low around 42.