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 ...

In March, a month traditionally known for heavy mountain snows and dreary lower-elevation weather, a heat wave settled across ...

California’s coastal waters are experiencing a marine heat wave, with record or near-record ocean temperatures reported along ...

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.

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.

The record breaking marine heat wave along the West Coast continues. Now, scientists are looking at a new heat wave forming far offshore. KPBS environment reporter Tammy Murga has more on what’s at ...