At least 100 million Americans are on alert for dangerous heat and humidity -- stretching from Texas to Maine -- on Friday, ...

Severe and extreme heat-related impacts are expected across a wide swath of the U.S. this weekend and next week.

A line of fast-moving storms prompted severe thunderstorm warnings in the Chicago area and ground stops at O'Hare and Midway ...

Hot and humid Sunday and Monday, as highs could make a run toward 90°. Storms possible Sunday night to early Monday AM ...