begins. with more on that, ivan cabrera is in the cnn weather center. >> good morning. this is the coldest temperatures that we'll have and coldest windchills for quite some time. this is it, last day, last morning temperatures right now feeling anywhere from 5 below it 15 below. so still windchill advisories that continue through the morning and in some cases up to 30 breelow in portions of michigan. and some snow in the ohio valley, 1 to 3 inches. it will be a quick mover. so by the time we get into tonight, we'll be done. and you can see the warm temperatures down to the south, that will continue to push to the north. so we'll go from 40 record lows on thursday morning to temperatures that will be above average during the morning over the next several days. in fact potentially 70 plus record warm temperatures. chicago, coldest temps since