Heat waves are a growing global threat to human health, well-being and livelihoods. Across 12 major European cities during ...

Weather reports indicate a heat dome with highs in the 90s to low 100s is building over parts of the country this week — including the Northeast with a short, but significant, hot and humid spell ...

WASHINGTON (AP) — Heat waves that lead to sudden and damaging drought are spreading across the globe at an accelerating rate, highlighting how climate change-fueled extremes can build dangerously off ...

The unusually hot waters are lurking in the sea off the California coast, and they could wreak havoc on the state’s weather and marine food chain.

California marine heat wave drives seabird die-offs and marine mammal stress as ocean temperatures spike off West Coast. Will ...

Dangerous heat is gripping much of the eastern half of the country to start the week — but it will loosen that hold significantly by the weekend. About 200 million people are under some sort of heat ...

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 ...

Phoenix is enduring an unprecedented March heat wave driven by a stubborn high-pressure ridge that has pushed temperatures well above seasonal norms. The National Weather Service office in Phoenix ...

The heat wave will begin for many today, others will hop on board tomorrow. Highs will be in the upper 80s and low 90s this afternoon under blue skies. Overnight, lows will drop into the 40s and 50s.