The National Weather Service in Upton, N.Y. has issued a Winter Weather Advisory for Westport and area for an icy mix of precipitation which is in effect from 8 p.m. today to 10 a.m. Tuesday.
Light to occasionally moderate precipitation will overspread the region from west to east tonight, an advisory said.
The precipitation will start as a mix of snow and sleet, then transition to a mix of sleet and freezing rain in the early morning hours. The icy mix will then change to all rain by late morning, the advisory said.
Snow and sleet accumulations of around one inch with ice accretion of one-tenth of an inch or less can be expected with this system, it said.