A winter weather advisory is in effect for Darien and the surrounding area  from 2 a.m. Sunday through 2 p.m. Monday. Snow is expected with total accumulations of three to five inches are expected for the southern Connecticut, northeast New Jersey and southeast New York.

A winter weather advistory could mean slippery road conditions and reduced visibilities, including Monday morning's commute.

The full forecast:

Tonight
Snow, mainly after 5am. Low around 30. North wind 6 to 9 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.
Monday
Snow, possibly mixing with rain after 11am, then gradually ending. High near 45. Wind chill values between 25 and 35 early. Northeast wind 6 to 8 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Monday Night
Increasing clouds, with a low around 32. Light southeast wind.
Tuesday
Rain likely, mainly after noon. Cloudy, with a high near 47. Light southeast wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
A chance of rain before midnight, then a chance of showers after midnight. Cloudy, with a low around 45. South wind 6 to 9 mph. Chance of precipitation is 50%.
Wednesday
Showers likely, mainly after noon. Mostly cloudy, with a high near 59. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.