Wind Chill Reading News Today

wow. thanks so much to you for joining us. "ac 360" begins now. the forecast? wretched. the timing? even worse. once in a generation winter storm and this one they say is going to be very, very dangerous. im in for anderson, john berman here. already nearly half the countrys population is shivering under wind chill alerts or has seen temperatures drop as much as 70 degrees overnight. this is sioux falls, south dakota. you know its cold there when the falls at sioux falls stop falli...

How dangerous are these conditions? >> it doesnt take long to get frostbite. the national weather service highlighting 45 below is the exposed wind temperature on your skin and takes five minutes to get frostbite. we have realized these numbers and some for places like castor, wyoming a wind chill reading of negative 76 degrees this morning and the advisories stretch from the north all the way to the gulf of mexico. some places like jackson, mississippi will stay below freezing for the next thre...