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

With a heat wave causing excessive heat warnings in Delaware, you'll hear a lot about the heat index this week. What to know ...

Climate change is making the deadly combination of high heat and high humidity more common—and means you need to start ...

Also, keep your pets cool and indoors. If your pet is exposed to extreme heat, the AKC suggests getting your dog to a shady ...

This summer, temperatures are expected to be above-average with high levels of humidity. What is Louisiana's forecasted summer heat index?

You might've heard the phrase "it's not the heat, it's the humidity." However, when it comes to calculating the heat index, you need both values. As temperatures begin to climb towards the lower 90s ...

You might've heard the phrase "it's not the heat, it's the humidity." However, when it comes to calculating the heat index, you need both values. As temperatures begin to climb towards the lower 90s ...

A public health researcher explains the signs someone is developing heat exhaustion or heat stroke, and what to do.

As we approach summer, high heat becomes a concern as heat exhaustion and heat stroke are possible. Plus, heat related deaths ...

Basically, when the body sweats, the perspiration evaporates, cooling the body. When the humidity is high, the sweat doesn't ...