"If you've made grilled cheese in a pan and you put a lid on there, it melts the cheese faster because the lid helps trap the heat," a National Weather Service official told NPR.

While the heat index could go above 100 degrees in many parts of Georgia, the National Weather Service has issued a Hazardous Weather Outlook for North and Central Georgia.

High humidity can make it tough for your body to cool down. As most of the country braces for extreme temperatures, a doctor shares advice on how to cool down when the humidity is working against you.

Little kids are like a "small potato" whose core can heat up faster than an adult's, an expert tells NPR. Here are tips for helping children stay safe in extreme temperatures.

With much of the U.S. already sweltering this summer, even avid runners, hikers and bikers are wilting. We've got 10 strategies from experts on how to enjoy hot weather exercise without keeling over.