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

Cold Weather Advisory in effect from December 30, 01:00 AM PST until December 30, 09:00 AM PST

Current conditions at

KF6YUA Sebastopol (AR323)

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

39°F

4°C

Humidity	99%
Wind Speed	SSE 2 MPH
Barometer	30.28 in (1025.4 mb)
Dewpoint	39°F (4°C)
Visibility	NA
Last update	30 Dec 02:40 AM PST

More Information:

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

Extended Forecast for

5 Miles ENE Rohnert Park CA

Cold Weather Advisory until December 30, 09:00am

Click here for hazard details and duration

Cold Weather Advisory

Cold Weather Advisory until December 30, 09:00am
NOW until 9:00am Tue
Cold Weather Advisory
Overnight
Low: 37 °F
Clear
Tuesday
High: 56 °F
Increasing
Clouds
Tuesday Night
Low: 47 °F
Cloudy
Wednesday
High: 52 °F
Chance Rain
Wednesday Night
Low: 46 °F
Rain
New Year's Day
High: 53 °F
Rain and
Areas Fog
Thursday Night
Low: 51 °F
Showers and
Areas Fog
Friday
High: 54 °F
Showers

Detailed Forecast

Overnight

Clear, with a low around 37. East wind 3 to 5 mph.

Tuesday

Increasing clouds, with a high near 56. East wind around 10 mph.

Tuesday Night

Cloudy, with a steady temperature around 47. East wind 7 to 9 mph.

Wednesday

A 50 percent chance of rain after 10am. Cloudy, with a high near 52. Light east wind increasing to 5 to 9 mph in the morning. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain. Low around 46. East wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

New Year's Day

Rain. Patchy fog before 1pm, then areas of fog after 4pm. High near 53. 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. Low around 51. Chance of precipitation is 90%.

Friday

Showers likely and possibly a thunderstorm, then rain after 10am. Cloudy, with a high near 54.

Friday Night

Rain. Patchy fog after 1am. Otherwise, cloudy, with a low around 44.

Saturday

Rain likely. Patchy fog. Otherwise, mostly cloudy, with a high near 51.

Saturday Night

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

Sunday

A chance of rain. Areas of fog. Otherwise, mostly cloudy, with a high near 52.