The National Weather Service said Friday the coldest air mass of the winter may hit the Northeast this weekend and New Yorkers are being urged to take notice. New York City Mayor Bill de Blasio warned residents to take “extreme precautions” over the weekend and heed cold-weather warnings. He said city workers would also bring people living on the street to shelters or hospitals.

A wind-chill advisory was in effect for New York City beginning Saturday afternoon and will continue until noon Sunday. With the actual temperatures falling as low as 4 degrees below, the weather service said the city could see wind chills of 18 degrees below to 24 degrees below. Wind gusts could reach up to 45 mph. New York officials also canceled the Central Park Ice Festival because of the upcoming bitter temperatures, according to The Guardian. The festival is a free event featuring ice carving. READ MORE