A long-duration heat wave is taking shape over the western half of the U.S. and is forecast to stick around in the days ahead. A high-pressure system in place over the West is keeping precipitation ...

A marine heat wave in the Mediterranean Sea is combining with a powerful heat dome to cause Europe to swelter under a brutal early summer heat wave. It’s a pattern that’s popping up frequently as the ...

Heat waves may not make for the flashiest weather headlines but they cause widespread, life-threatening impacts to the U.S. each year. So, what exactly is a heat wave? A heat wave is a period of ...

Meteorologists are reaching for superlatives to describe an oncoming heat wave so intense and rare for this time of year that it could leave some locations shattering their all-time temperature ...