Nicole Brown Chau is a deputy managing editor for CBSNews.com. She writes and edits national news, health stories, explainers and more. Nikki Nolan is a meteorologist for CBS News and Stations. She ...

The heat index, or apparent temperature, combines air temperature and humidity to indicate how hot it feels to the body. High humidity slows sweating, the body's natural cooling system, making ...

An unprecedented heat wave for the month of March is continuing to hold strong across the southwestern and western United States. Dozens of March temperature records were broken on Thursday in states ...

Temperatures reached record highs in multiple states on Wednesday, as a heat wave that has been scorching the West since last week expanded into the middle of the country. The unusually warm weather ...

Western Europe is essentially trapped in the weather equivalent of a Dutch oven, a situation that one scientist said has “the ...