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 ...

South Carolinians are all too familiar with muggy summer days. Check your weather app of choice and you’ll notice humidity presented as a percentage: 68 percent humidity, 92 percent humidity, ...

Meteorologists are clarifying the difference between dew point and relative humidity as parts of the Southeast brace for a warm, sticky weekend with scattered showers. Dew point measures the actual ...