extreme weather center and meteorologist adam klotz. good evening. >> i do think it is kind of a big deal. there is a major cold front and we really have seen in the last couple of hours temperatures begin to plummet. this is the line. everything behind it, the temperatures will begin to fall, especially back in the upper midwest. these are some of our current wind chills. it feels like negative 28 degrees in chicago. there is colder air farther to the north of that. negative -- close to negative 50 in minneapolis right now. that is that feels like windchill temperature, five to 10 minutes of that, and that is cold enough that you could experience some frostbite, and exposed sin. when chill warnings down across the plains state, as far as the ohio river valley. blazes and kentucky dealing with some of the extreme cold also. here is your windchill forecast. we are already at these coldest temperatures but as we wake up tomorrow morning, folks in chicago, negative 50 degrees, close to that in minneapolis, negative 31 indianapolis, negative 31 and destroyed.