At 1 p.m. on Tuesday, the National Weather Service released a heat advisory valid from Thursday 11 a.m. until Friday 8 p.m.

The National Weather Service office in Mobile, Alabama, issued a heat advisory in Escambia, Santa Rosa and Okaloosa counties ...

The heat index, or apparent temperature, combines air temperature and humidity to indicate how hot it feels to the body. High ...

Chicago's in for a scorcher. An Extreme Heat Watch is in effect Wednesday through Thursday. Here's how to stay safe.

The Treasure Coast is under a heat advisory and many areas at “major heat risk” with heat index values expected to reach up ...

A heat advisory for Florida's Treasure Coast is in effect from noon through 6 p.m., with heat index values from 109 to 112 ...

Forget about any worries of tropical weather today. Instead pay attention to the heat: temperatures in Jacksonville could ...