Record-high minimum temperatures, in which temperatures don't drop in the nighttime hours, are likely across much of the U.S.

The heat index, or how it feels with humidity factored in, will rise into the triple digits for millions as the hot dome of ...

High humidity and low overnight temperatures will put tens of millions of people under heat alerts over the course of the ...

Miami Heat guard Terry Rozier has struggled since averaging a career high in points with the Charlotte Hornets to a gambling ...

Almost 85 million Americans from South Dakota to Texas and North Carolina to Florida are already under extreme heat warnings, ...

Heat stroke is a body’s critical call for help. You can die. Temperature rises above 104 degrees — sometimes as high as 108 ...

The NWS has issued a bulletin warning that 100-degree temperatures will likely hit residents in the middle of the US today.

Get ready for an intense day of heat and potential severe thunderstorms on Thursday, with heat indices expected to reach near ...

Chicagoans are stepping up to help one another during another heat wave in the city.

Another round of high heat, oppressive humidity and potentially severe weather is on the horizon for the Boston area.