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

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.

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 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.

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