Connecticut is in for a frigid week starting overnight on Sunday, Jan. 19, according to the National Weather Service and AccuWeather.

After a sunny and pleasant day Friday in Connecticut, rain and accumulating snow is expected this weekend before deep freeze next week, weather service says.

The forecast then said that Sunday night has a 50% chance of snowfall. The forecaster's discussion said that some parts of Connecticut and the tri-state area may be affected by the northern side of the precipitation shield, providing the possibility for some light snow, primarily for the coastal areas.

HARTFORD, CT (WFSB) - Connecticut’s severe cold weather protocol goes into effect on Sunday night. Gov. Ned Lamont made the announcement on Friday.

Temperatures are expected to fall around zero next week, prompting state officials to enact Connecticut's severe cold weather protocol.

The protocol goes into effect beginning at 6 p.m. on Jan. 19 and will last until noon on Jan. 24. Anyone in need of shelter should call 2-1-1. Rides are available.