A blistering heatwave gripped southwest France on Monday, sending thermometers soaring to 43 degrees Celsius in parts of the ...

Extreme heat warnings cover most of the southern half of Arizona and continue into southeastern California. Areas including ...

Extreme heat warnings remain in effect for parts of the desert Southwest -- including Palm Springs, California; Phoenix; and ...

A moderate-to-strong heat dome persists as the hot and humid weather continues across New England. But the heat breaks later ...

Triple-digit temps are expected along both sides of the Oregon Cascades, and stretching east to the John Day Basin and Blue Mountains.

Extreme heat is heading to both coasts, bringing dangerously high temperatures to the Northeast, Northwest and Southwest.

Heat waves have been the story of the summer in Massachusetts, and it's not letting up anytime soon with temperatures expected to hit the mid-90s this week. We expect high temperatures between 90 to ...

Clark County and Southwest Washington will be under an extreme heat watch starting Sunday afternoon, according to the National Weather Service in Portland.

Phoenix just reached 118 degrees on Thursday, recording their hottest August temperature on record. It broke a 4-way tie of 117 degrees, with all of those readings coming since 2011, including two ...

Air quality alerts are in place for portions of 10 states from Minnesota to Delaware as officials warn the smoke may become dangerous for sensitive groups.

NWS issues heat advisory for Southwest Desert and El Paso, warning of temperatures above 105°F and risk of heat illnesses.

Summer vacation may be over for the kids of the Las Vegas valley, but summer heat is definitely sticking around.