Today, 17 million are under flood alerts across the Gulf Coast and in the Mid-Atlantic, and 19 million are under heat alerts ...

We asked readers and experts, "What exactly is a heat wave?" Experts say it's less about temperatures and more about ...

True to form for July, another round of searing heat and stifling humidity is on the way. Here's how hot it may get, who will ...

This week marks the 30th anniversary of the infamous 1995 Chicago heat wave​, which took 739 lives. One of them was a World ...

Already heating back up to the upper 80s, then lower 90s for the weekend. Storms tonight in northeast Nebraska could threaten ...

If you can beat the heat wave on Wednesday, you'll be treated to some down-trending temperatures through the weekend.

He survived the hell of war and a POW camp, only to die in a heat wave in Chicago,” said a retired Army captain Thursday as ...

St. Louis faces a severe heat wave with potential thunderstorms; residents are advised to stay cool and hydrated.

A portable AC unit is a tempting option during a heat wave, but is the portable cooling option worth buying to get you ...

Another wave of potentially dangerous hot weather is preparing to place its grip on the region. Forecasters with the National Weather Service say hot conditions are expected to begin to build this wee ...

Is relatively mild, with another day in the 80s expected. We'll feel like mid-90s with highs in the mid-80s. Humidity will ...