Portland’s first 90°F day usually occurs around June 18, with an average of two 90-degree days each June, based on records ...

While highs for most will not be extreme, there will be some 90s south of Puget Sound and in the Cascade Valleys.

A heat advisory has been issued for parts of Oregon and Washington. It is effective from 10 a.m. Sunday through 10 p.m. Monday.

The National Weather Service issued a heat advisory for several counties, including Snohomish County, from 10 a.m. Sunday to ...

On Friday at 1:34 p.m. the National Weather Service issued a heat advisory valid for Sunday between 11 a.m. and 9 p.m. for ...

Down south in Las Vegas, extreme heat response has been largely limited to Clark County activating so-called cooling centers, strategically placed buildings where anyone can go to cool off during ...

Severe thunderstorms are possible Friday in western/central Massachusetts, the National Weather Service of Boston warned.

The National Weather Service issued a tornado watch for part of the Denver metro area and southeast Colorado through 9 p.m.

The National Weather Service (NWS) issued urgent flash flood warnings and severe thunderstorm warnings for parts of the ...

As fires continue to rage in Canada, Lower Hudson Valley residents may notice hazy skies and orange-tinted clouds on top of ...

Houston will have a hot and hazy end to the week as the first plume of Saharan dust this summer arrives. Here's how air ...