There are various ways to measure the amount of water vapor in the atmosphere. The amount of moisture a given parcel of air can hold is dependent on the ambient temperature. Higher temperatures mean ...

IOWA, USA — When encountering sweltering summer conditions, many Iowans will quickly defer to the infamous quote, "It's not the heat, it's the humidity." But what contributes to Iowa being so much ...

LOUISVILLE, Ky. — It’s that time of the year again when heat and humidity cause sweltering temperatures across Kentucky and southern Indiana. You’ve likely heard about the heat index mentioned once or ...

A heat wave that has already killed several people across Texas and Mexico is headed further north, bringing temperatures exceeding 110 degrees. With the heat index, which is how hot it feels to the ...

Get all the latest news on coronavirus and more delivered daily to your inbox. Sign up here. Researchers at Yale say that we may get some respite from the coronavirus pandemic as we move into spring, ...