“With the cold air in place, any accumulating snow may cause significant impacts on roadways. Temperatures, meanwhile, continue to be well-below normal thru the period, barely getting above 32 degrees over much of the (forecast) area today,” the forecast said.

This upcoming system is expected to usher in even colder conditions, with some areas bracing for single-digit lows and temperatures in the low teens — marking the coldest weather of the winter so far.

This new type of weather warning was activated because of the dangerously cold temperatures and wind-chill readings in northeastern Pennsylvania.

Chicago is experiencing dangerous cold weather with "astonishing" temperatures, as wind chills plunge as low as -23°F, posing significant risks to residents, according to a pricing culture analysis provided to Newsweek.

CHICAGO — National Weather Service officials issued a cold weather advisory in effect until 2 p.m. Tuesday for portions of central, east central and northeast Illinois as well as northwest Indiana. Officials said dangerously cold wind chills may reach as low as 28 below zero causing frostbite to those exposed to the frigid temperatures in as little as 30 minutes.

A Weather Alert continues for brutally cold air mass now through Wednesday morning. A cold weather advisory remains in effect until midnight Tuesday night for the entire Chicago area, with wind chills dropping to -20 to -25.