What is heat index and how does it affect how stifling excessive heat feels?

Exercising outside in high temps can be a health hazard. Here's how to read your local index, according to a doctor, so you can stay safe.

Today's extreme heat for the World Cup match between Portugal and Croatia is expected exceed world soccer union guidelines ...

Learn heat stroke warning signs and practical ways to stay safe as dangerous heat grips much of the eastern US.

Delaware heat wave could push highs near 100 with steamy humidity. Here’s when temperatures finally drop.

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 ...

Watch the Sunday, July 5, operations update on the Aspen Acres Fire from CIMT1 in the video player above. UPDATE: SUNDAY ...

Extreme heat warnings have been issued for the entire state July 1. An extreme heat warning for New Castle County will take ...

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

Whether it's investigating the financials of Elon Musk's pro-Trump PAC or producing our latest documentary, 'The A Word', ...

What is the coldest temperature ever in Nigeria? Around 2.8°C at Potiskum, Yobe. See cold records, hottest spots and ...