Hot Town USA
It's a bunch of hot air, and it's dangerous to humans and animals alike. The combination of high temperatures and high humidity is causing excessive heat advisories and warnings in Chicago and St. Louis as forecasters warned of blistering heat in northern tier states spreading to the East Coast. Forecasters say a large mass of hot and humid air moving to the Eastern Seaboard including New England and the Mid-Atlantic, setting up a potentially record-breaking day of high temperatures.