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

Dense Fog Advisory in effect from December 30, 02:00 AM PST until December 30, 12:00 PM PST

Current conditions at

SAC NWR (NWRC1)

Lat: 39.41722°NLon: 122.1825°WElev: 120.0ft.

43°F

6°C

Humidity	100%
Wind Speed	S 1 MPH
Barometer	NA
Dewpoint	43°F (6°C)
Visibility	NA
Last update	30 Dec 02:29 AM PST

More Information:

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

Extended Forecast for

10 Miles ESE Willows CA

Dense Fog Advisory until December 30, 12:00pm

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory until December 30, 12:00pm
NOW until 12:00pm Tue
Dense Fog Advisory
Overnight
Low: 40 °F
Dense Fog
Tuesday
High: 46 °F
Patchy Frost
and Dense Fog
then Patchy
Fog
Tuesday Night
Low: 45 °F
Patchy Fog
Wednesday
High: 48 °F
Chance Rain
then Rain
Likely
Wednesday Night
Low: 47 °F
Rain
New Year's Day
High: 54 °F
Rain
Thursday Night
Low: 51 °F
Rain
Friday
High: 55 °F
Showers

Detailed Forecast

Overnight

Widespread dense fog, mainly between 4am and 5am. Otherwise, mostly cloudy, with a steady temperature around 40. Calm wind.

Tuesday

Widespread dense fog, mainly before 1pm. Patchy frost before 7am. Otherwise, partly sunny, with a high near 46. Light and variable wind.

Tuesday Night

Patchy fog before 9pm, then patchy fog after 1am. Otherwise, mostly cloudy, with a steady temperature around 45. Light northwest wind.

Wednesday

Rain likely, mainly after 4pm. Cloudy, with a high near 48. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

Rain. Low around 47. Calm wind. Chance of precipitation is 90%.

New Year's Day

Rain. High near 54. Chance of precipitation is 100%.

Thursday Night

Rain. Low around 51. Chance of precipitation is 100%.

Friday

Showers and possibly a thunderstorm before 4pm, then rain and possibly a thunderstorm after 4pm. Cloudy, with a high near 55.

Friday Night

Rain. Cloudy, with a low around 48.

Saturday

Rain. Cloudy, with a high near 50.