With a stretch of VERY hot weather ahead for the rest of this month into August, it is a good idea to look at how we measure ...

How is the heat index calculated, and why is it more important than the air temperature during some heat waves?

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

How low should you set your thermostat for as record-breaking heat sweeps over the country? Here's what experts and other ...

Sometimes the temperature outside feels warmer than it is, and there's a reason. Here's a breakdown of the heat index.

Savannah, Ga. (WJCL)- Alert Day …. It will be dangerously hot on Sunday. Highs are going to be in the mid to upper-90s for ...

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 ...

A Heat Advisory is in effect from noon to 9 pm Thursday. Expect heat index values up to 107 with temperatures of 99 to 103.

Heat combined with high humidity feels like 105 to 109 this afternoon. A few hit-or-miss storms are possible, mainly between 3 and 9 p.m., with the potential for damaging wind gusts in the strongest.

The National Weather Service’s Fort Worth office extended the heat advisory for the Metroplex through 9 p.m. Saturday. Rising ...

NWS issues a heat advisory for Oklahoma City with heat index up to 110 degrees, warning of heat-related illnesses.