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

UC MERCED WX STATION (UCMC1)

Lat: 37.36611°NLon: 120.4225°WElev: 252.0ft.

32°F

0°C

Humidity	100%
Wind Speed	SSW 0 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	30 Dec 07:15 AM PST

More Information:

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

Extended Forecast for

3 Miles E Merced 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
Today
High: 49 °F
Cloudy
Tonight
Low: 43 °F
Cloudy
Wednesday
High: 50 °F
Chance Rain
Wednesday Night
Low: 49 °F
Rain
New Year's Day
High: 56 °F
Rain
Thursday Night
Low: 54 °F
Chance Rain
Friday
High: 58 °F
Showers
Likely
Friday Night
Low: 51 °F
Showers

Detailed Forecast

Today

Cloudy, with a high near 49. Calm wind becoming northwest around 5 mph.

Tonight

Cloudy, with a low around 43. Calm wind becoming north northwest around 5 mph.

Wednesday

A 40 percent chance of rain after 10am. Cloudy, with a high near 50. Calm wind becoming southeast around 5 mph.

Wednesday Night

Rain. Low around 49. Calm wind becoming east southeast around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

New Year's Day

Rain. High near 56. Southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 54. Southeast wind around 10 mph, with gusts as high as 15 mph.

Friday

A chance of rain, then showers likely and possibly a thunderstorm after 10am. Cloudy, with a high near 58. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers and possibly a thunderstorm. Low around 51. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

Rain likely. Cloudy, with a high near 56. South wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Saturday Night

A 50 percent chance of rain. Mostly cloudy, with a low around 47. East wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

Sunday

A 40 percent chance of rain. Partly sunny, with a high near 54. South wind around 5 mph.

Sunday Night

A 30 percent chance of rain. Mostly cloudy, with a low around 45. East wind around 5 mph.

Monday

A 40 percent chance of rain. Mostly cloudy, with a high near 52. East wind around 5 mph becoming south in the afternoon.