After smashing March heat records in 14 states and the U.S. as a whole, the gigantic heat dome that's baked the Southwest is creeping eastward and may end up being one of the most expansive heat waves ...

Add Yahoo as a preferred source to see more of our stories on Google. Mac Merrill snowboards without his coat during a heat wave on March 18 in Breckenridge, Colo. (Michael Ciaglo / Getty Images) ...

The most intense March heat wave ever has been one for the record books and there are no signs the high temperatures will cool down as we look ahead to next week. People flock to Baker Beach near the ...

WASHINGTON (AP) — The dangerous heat wave shattering March records all over the U.S. Southwest is more than just another extreme weather blip. It’s the latest next-level weather wildness that is ...

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 ...

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 historic heat wave is bringing record-breaking triple-digit temperatures to Phoenix through the weekend. Experts say that while no single event can be attributed to climate change, the increasing ...

A record-breaking heat wave is causing temperatures 25 to 35 degrees above normal in Southern California. The heat wave is expected to continue through the weekend and possibly beyond, with a second ...

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