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.

A heat advisory for northwest and west central Washington was extended until 5 p.m. Thursday, according to the National ...

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

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

Dry and hot conditions return to western Washington on Tuesday and Wednesday, bringing an elevated risk of heat-related ...

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 Federal Way Community Center opened up as a cooling center as temperatures are expected to be higher than 90 degrees.