This weeks Climate Chronicles question comes from Bill.

It’s hot. The thermometer says it’s 90 but your phone says it “feels like” 95. What does that mean? The heat index, or “feels like” temperature, is a way to express how hot it feels to the human body.

Some hot days feel even worse thanks to high humidity, trapped heat and dew points. Cities are especially vulnerable. By Nazaneen Ghaffar Nazaneen Ghaffar is a reporter on The Times’s weather team. It ...

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 ...