Extremely dangerous heat, coupled with humidity, could result in heat index readings of 100 to 115 degrees from the Midwest ...

Temperatures are skyrocketing for the third straight day across the Eastern US, but there’s at least three different ways to say how hot it really is.

Track extreme heat alerts with this interactive map.

The U.S. is looking at an unwelcome birthday gift: a dangerous heat wave arriving ahead of the holiday weekend. Limited time: ...

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 snowfall from last winter disappeared a month sooner than usual, after two early hot spells. Huge volumes of exposed ice ...

This is not the kind of heat event we see every year,” the National Weather Service reported, adding it may be the hottest period the region has experienced since 2011.

Summer has barely started in the Northern Hemisphere, but already it’s offering an oppressive preview of life on a hotter ...

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

The thermometer reads 95°F (35°C) in Brooklyn, and vulnerable individuals need information to take appropriate action. New York City officials must gather facts quickly to provide updates on cooling ...

A fast-food restaurant helped out last week, saying the hospital could take its ice. Staff also bought ice from the ...