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?

Dangerous heat peaked Thursday for millions in the central United States as a heat dome in summer’s hottest month lives up to ...

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.

The combination of corn sweat, the exhalation of water vapor through leaves, and a heat dome is bringing dangerously hot ...

Scorching temperatures combined with the high humidity are expected Thursday, July 24, the National Weather Service stated in ...

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

While Texas bakes under sweltering conditions, it's far from alone. Millions are under threat of extreme heat this week.

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

This week got off to a comfortable start with low humidity and temperatures close to, if not below, average. But as we head ...

We can measure the extreme Texas heat in multiple ways, but two new metrics are helping high schools develop a hot weather ...

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 ...