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

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

Nevada and Arizona hit by potentially deadly heat wave, with temperatures in Furnace Creek in Death Valley expected to ...

The Chicago area will see several waves of rainstorms on Tuesday and Wednesday before a weekend of summer heat, according to ...

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 ...

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 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.

The National Hurricane Center is monitoring three tropical waves in the Atlantic basin, including one in the western Caribbean.

The definition of a heatwave was first defined by A. T. Burrows in 1900, according to the American Meteorological Society. He ...