More than 170 million people across the United States, from the Mexican border to the Canadian border are under cold weather alerts ahead of a crippling winter storm expected to sweep through the south from Texas to Georgia,

A blast of frigid air has officially arrived and is here to stay through the middle of the week! This will be the coldest stretch of weather that we have seen s

Starting this week into next, a lobe of the polar vortex will descend into the U.S. and bring with it brutally cold temperatures. Here's the forecast for this week:

Dangerous cold arrives Monday morning in Chicago. The brutally cold morning brings wind chills of -20 to -25 degrees. A cold weather advisory is in effect until noon. The core of the polar air will settle across the Chicago area Monday night into Tuesday morning.

Chicago was waking up to a bitter cold morning Monday, with sub-zero temperatures and wind chills as low as -15. And it’s only going to get colder from there, the NBC 5 Storm Team says. “We’re cold all the way around,

A piece of the polar vortex is spilling into the Midwest, creating extreme cold for the Chicago area and northwest Indiana for the next few days.

Dangerous bitter cold temperatures and wind chills far below zero are expected in the Chicago area Sunday, Monday, Tuesday and Wednesday.

AccuWeather forecasts there will be a high of 10 degrees in Chicago on Sunday, 11 degrees on Monday and 6 degrees on Tuesday – with temperatures rising after that. However, wind will bring real-feel temperatures well below zero.