After a few weeks, these temperatures will be your new normal—and you may enjoy a small performance boost when the weather ...

The heat and humidity will continue to build across Northeast Florida and Southeast Georgia this week. In fact, temperatures ...

Thursday was the peak of this brutal heat wave, with heat index values topping 110 degrees in several Connecticut towns.

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

Temperatures are hitting the mid- to upper 90s in many places across the Northeast.

The temperature reading in Central Park tied a record for July 2 set in 1966. Some 163 million people, from Missouri to Maine ...

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 ...

Learn the signs of heat exhaustion, heat stroke, heat cramps and dehydration. Find prevention tips, treatment advice and answers to common heat illness questions.

Boston and New England are now into one of the most intense stretches of extreme, triple-digit heat on record. A massive heat ...

Temperatures in the triple digits are expected through the Fourth of July weekend and beyond. Follow these expert-approved tips to learn how to read your local heat index to determine if it's safe to ...

The National Weather Service put the majority of Delaware in a Level 4 HeatRisk, or extreme risk, on Friday and Saturday. The ...

A public health researcher explains the signs to watch for that someone is developing heat exhaustion or heat stroke, and ...