A heat warning (sometimes called an excessive heat warning) is the most serious alert. It’s issued when dangerously high heat ...

With actual air temperatures in the 90s, the heat index will make the feels-like temps even hotter. How hot? Those heat index values could top 110 degrees at times.

Powerful winds — including a tornado — that swept across parts of the upper Midwest left three people dead and a regional ...

The Central Ohio Transit Authority announced Saturday it will be waiving fares system-wide for several days after a Heat ...

States in the Midwest and Northeast could reach record temperatures in the coming days: Here’s where and when.