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	ESE 0 MPH
Barometer	30.26 in (1024.72 mb)
Dewpoint	37°F (3°C)
Visibility	NA
Last update	30 Dec 07:37 AM PST

More Information:

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

Extended Forecast for

Graton 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, 07:49am 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, 07:49am until December 30, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Today
High: 57 °F
Areas Frost
and Areas
Dense Fog
then Mostly
Cloudy
Tonight
Low: 43 °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: 56 °F
Rain and
Areas Fog
Thursday Night
Low: 51 °F
Showers and
Areas Fog
Friday
High: 56 °F
Showers and
Patchy Fog
Friday Night
Low: 44 °F
Rain and
Patchy Fog

Detailed Forecast

Today

Areas of dense fog before 11am. Areas of frost before 9am. Otherwise, partly sunny, with a high near 57. Calm wind becoming southeast around 6 mph in the afternoon.

Tonight

A 10 percent chance of rain after 4am. Cloudy, with a low around 43. Calm wind.

Wednesday

Rain likely, mainly after 10am. Patchy fog after 4pm. Otherwise, cloudy, with a high near 54. Calm wind becoming east southeast around 5 mph in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain. Widespread fog, mainly after 1am. Low around 48. Light east northeast wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

New Year's Day

Rain. Areas of fog before 1pm. High near 56. Light and variable wind becoming south southeast 5 to 8 mph in the morning. 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. Areas of fog. Low around 51. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Showers likely and possibly a thunderstorm, then rain after 10am. Patchy fog before 7am. High near 56. Chance of precipitation is 80%.

Friday Night

Rain. Patchy fog after 10pm. Otherwise, cloudy, with a low around 44.

Saturday

Rain likely. Areas of fog before 3pm, then patchy fog after 5pm. Otherwise, cloudy, with a high near 54.

Saturday Night

Rain likely. Widespread fog, mainly after 1am. Otherwise, mostly cloudy, with a low around 42.

Sunday

A chance of rain. Widespread fog. Otherwise, mostly cloudy, with a high near 55.

Sunday Night

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