A blistering heat wave persisted in the western United States on Thursday, and temperatures are forecast to reach up to 117 ...

The National Weather Service has issued an extreme heat warning for San Diego County deserts and a heat advisory for the ...

Dangerously high temperatures in the Northeast have triggered a string of cancellations of 250th anniversary events.

A record-breaking heat wave is causing temperatures 25 to 35 degrees above normal in Southern California. The heat wave is expected to continue through the weekend and possibly beyond, with a second ...

Death Valley and the Mojave Desert face a triple threat of flash floods, extreme heat, and wildfire risk. Monsoonal storms combined with moisture from Hurricane Lorena are creating unstable weather ...

Monday begins with a few lingering clouds that will quickly clear, making way for a beautiful, sunny afternoon. For those in the valleys around Madras and Prineville, temperatures will climb rapidly, ...