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

GREEN SPRING (GNSC1)

Lat: 37.83418°NLon: 120.50311°WElev: 1108.0ft.

44°F

7°C

Humidity	100%
Wind Speed	SE 4 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Wind Chill	42°F (6°C)
Last update	29 Dec 05:03 PM PST

More Information:

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

Extended Forecast for

14 Miles SW Groveland CA

Dense Fog Advisory December 30, 02:00am until December 30, 12:00pm

Click here for hazard details and duration

Dense Fog Advisory

Tonight
Low: 39 °F
Patchy Fog
Tuesday
High: 53 °F
Dense Fog
then Partly
Sunny
Tuesday Night
Low: 46 °F
Cloudy then
Slight Chance
Rain
Wednesday
High: 52 °F
Chance Rain
then Rain
Wednesday Night
Low: 50 °F
Rain
New Year's Day
High: 55 °F
Rain
Thursday Night
Low: 52 °F
Rain Likely
Friday
High: 55 °F
Showers
Likely
Friday Night
Low: 49 °F
Showers
Likely

Detailed Forecast

Tonight

Patchy fog between 7pm and 5am. Otherwise, mostly clear, with a low around 39. East wind 3 to 5 mph.

Tuesday

Widespread dense fog between 8am and 9am. Otherwise, increasing clouds, with a high near 53. Light and variable wind becoming east around 5 mph.

Tuesday Night

A 10 percent chance of rain after 4am. Cloudy, with a low around 46. Light northeast wind.

Wednesday

Rain, mainly after 4pm. High near 52. Light and variable wind becoming southeast around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

Rain. Low around 50. Southeast wind 3 to 5 mph. Chance of precipitation is 90%.

New Year's Day

Rain. High near 55. Chance of precipitation is 90%.

Thursday Night

Rain likely. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.

Friday

A chance of rain, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 55.

Friday Night

Showers likely and possibly a thunderstorm before 10pm, then rain likely after 10pm. Cloudy, with a low around 49.

Saturday

Rain likely. Cloudy, with a high near 51.