High temperatures swept across Washington on Monday, prompting warnings as meteorologists noted a years-long hot weather trend.

Snohomish County remains under a heat advisory until Tuesday night, with cooler, wet weather returning before the weekend.

The National Weather Service issued a heat advisory for most of Western Washington, as temperatures are soon likely to climb ...

Serious heat wave to scorch the East next week. Maps show areas at risk. The heat wave could produce dangerously high temperatures over a large area for an extended period.

The Washington Department of Health puts the state’s official death toll at 100 from the 2021 heat wave. But a University of Washington study puts that number at 159.

Another heat wave is on the way for states on the East Coast. After a weekend of low humidity and highs in the 80s, we're ...

News Pacific NW Heat wave serves Washington state a lesson in climate adaptation, mitigation July 29, 2022 Updated Fri., July 29, 2022 at 11:35 a.m.

A heat wave coming to Washington will bring heat indexes over 100 degrees. Mayor Muriel Bowser has urged residents to stay indoors.