Heat indices could spike into the triple digits on June 22 and June 23 as both the temperature and humidity reach their ...

A heat wave will impact East Tennessee from June 20 through June 24. Here's what to know and how to stay safe.

The average first 110-degree day in Phoenix falls on June 11, but has come as early as May 8 in 1989. A June heat wave is a ...

Humidity will soon surge to extreme levels across 40 states. Find out where there will be excessive heat and humidity — and ...

It was only a matter of time before a long-lived heat wave would develop in the Midwest and Northeast. This one could last ...

The National Weather Service (NWS) issued an extreme heat warning ... and those with health conditions faced a heightened risk during the heat wave. Authorities urged the public to monitor updates ...

San Antonio faces a hot week with temperatures up to 103 degrees and intermittent chances of showers and thunderstorms.

Orlando is facing a major heat risk with high humidity and temperatures, and a moderate risk of rip currents at beaches.

Much of June has been unusually cool in South-Central Pennsylvania, with temperatures struggling to even get out of the 60s. But that’s about to change.

The arrival of the opening day of the Bartholomew County Fair on Friday will also be the beginning of summer’s first heat wave, with temps soaring into the 90s and high humidity in the forecast.