Record-breaking heat expected in Raleigh and Durham, with temperatures topping 100 and heat index near 110, National Weather Service says.

It’s during times like this that you often hear people talk about the “heat index” and “how hot does it feel?” That’s because temperature and heat index are two separate things.

What is the weather for Independence Day? National Weather Service says it'll be hot, humid, with rain showers possible.

Temperatures are skyrocketing for the third straight day across the Eastern US, but there’s at least three different ways to ...

The metric of how hot the air actually feels has roots in a 1979 journal paper called “The Assessment of Sultriness.” By Andy Newman In recent days, you may have seen or heard many mentions of a ...

The wet bulb globe temperature is a better measure of heat danger than the heat index, and is expected to stay high in ...

If the dew point is 32 then the relative humidity is 100%, and we all know you don’t walk outside and start sweating at that ...

As the heat goes up this summer, you need to keep a eye on the wet-bulb temperature, but you'll need to know how to read ...

Wet bulb temperatures so more than just tell you how hot it is; it also informs you one your body's reaction to heat.

That is because the dew point is a measure of how much water vapor is in the air and relative humidity is a measure of how much water vapor is in the air relative to how much water vapor could be in ...

Julie Sharp is a digital producer at CBS Los Angeles. She is a South Bay native and majored in print journalism at Cal State University Long Beach. Julie previously reported for the Beach Reporter, ...

It is fascinating how digital hygrometers measure the moisture in the air. In fact, they use the change in the "ease of electrical flow" of a tiny sensor inside. There are currently two main types of ...