The heat wave peaks with highs staying in the low to mid 90s Tuesday and Wednesday and the heat index breaking triple digits.

Much of the country is deep in the middle of a heat wave right now. And every summer, Duane Stilwell's town in Arizona seems to get hotter. It has him worried — and he's not the only one. Since 1980, ...

Another sweltering summer day is expected in Connecticut on Tuesday, with a heat advisory in effect for the entire state as ...

The combination of hot temperatures and very muggy weather will create dangerous conditions for outdoor activities each afternoon through midweek.