New York City anticipates a heatwave with temperatures potentially reaching a 105-degree heat index, posing hazardous weather conditions later this week.

The heat and humidity build Thursday into Friday, and some areas could flirt with heat warning criteria by Friday afternoon.

The NWS in Buffalo has issued a heat advisory for much of western and central New York for Thursday. Here's what to expect this week.

A sweltering heat wave will bring dangerously hot conditions to the Chicago area this week, the NBC 5 Storm Team said.

The heat wave comes 30 years after a deadly, weeklong heat wave in Chicago that saw temperatures as high as 106 degrees and ...