We asked readers and experts, "What exactly is a heat wave?" Experts say it's less about temperatures and more about ...

Seattle-Tacoma International Airport reached a scorching 94 degrees Wednesday, according to the National Weather Service.

The Puget Sound region is expected to warm up into the lower-90s Wednesday, with the rest of the week following suit.

Seattle's forecast includes heat, humidity, and thunderstorms with varying precipitation chances throughout the week.

A push of marine air tonight will send in the clouds and fog overnight through the Chehalis Gap into the south and central ...

With temperatures expected to hit the 90s in much of Washington Wednesday, the state’s largest utility is paying some customers to save energy.

Western Washington is experiencing a return of hot summer temperatures, with highs reaching 90 degrees in some areas over the ...

A heat advisory is in place across the Northeast, from Maryland to Maine, where residents are bracing for temperatures 5 to ...

Coaches and school administrators who do not heed the lessons learned from heart- and heat-related tragedies risk repeating ...

The Seattle area will have to get through one more hot day on Thursday, but a nice push of marine air will drop temperatures ...