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

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

Current conditions at

Modesto City-County Airport - Harry Sham Field (KMOD)

Lat: 37.62549°NLon: 120.9549°WElev: 85.0ft.

Fog

41°F

5°C

Humidity	100%
Wind Speed	SE 5 MPH
Barometer	30.22 in (1023.37 mb)
Dewpoint	41°F (5°C)
Visibility	0.24 mi
Wind Chill	38°F (3°C)
Last update	30 Dec 05:35 AM PST

More Information:

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

Extended Forecast for

12 Miles SW Ripon 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: 38 °F
Dense Fog
Tuesday
High: 48 °F
Dense Fog
Tuesday Night
Low: 45 °F
Dense Fog
then Slight
Chance Rain
and Fog
Wednesday
High: 50 °F
Chance Rain
Wednesday Night
Low: 49 °F
Rain
New Year's Day
High: 57 °F
Rain
Thursday Night
Low: 53 °F
Rain Likely
Friday
High: 58 °F
Rain Likely

Detailed Forecast

Overnight

Widespread dense fog. Otherwise, mostly cloudy, with a low around 38. Calm wind.

Tuesday

Widespread dense fog, mainly before 9am. Otherwise, increasing clouds, with a high near 48. Calm wind becoming east southeast around 5 mph.

Tuesday Night

A 10 percent chance of rain after 4am. Widespread dense fog before 5am. Otherwise, cloudy, with a low around 45. Calm wind.

Wednesday

A 50 percent chance of rain, mainly after 10am. Cloudy, with a high near 50. Southeast wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

Rain. Low around 49. Southeast wind around 6 mph. Chance of precipitation is 90%.

New Year's Day

Rain. High near 57. Chance of precipitation is 90%.

Thursday Night

Rain likely, mainly before 4am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

Friday

Rain likely, mainly after 10am. Cloudy, with a high near 58.

Friday Night

Rain. Cloudy, with a low around 49.

Saturday

Rain likely. Cloudy, with a high near 54.