Connecticut faces a deep freeze with sub-zero wind chills from an arctic air mass this week after a winter storm brought several inches of snow on Sunday.

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.

Light snow is expected Saturday morning in Connecticut that may cause slippery roads conditions, the weather service said.

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.

Relatively mild temperatures mostly in the low 40s are expected Monday in Connecticut before a cold front arrives later in the day, weather service said.

Governor Ned Lamont Friday initiated the state’s severe cold weather protocol for “brutally frigid” conditions forecast over the weekend. The protocol will go into effect at 6 p.m. Sunday, Jan. 19 and remain through noon on Friday,