"Corn gets the name corn sweats because corn puts out a lot of water vapor," Glisan said. "That's where we get these exceedingly high dew points and this oppressive heat, not because of corn, but corn ...

Matt Friedlein with the National Weather Service said shaded areas, like grassy parks or under tree canopies, can be up to 10 ...

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

Multiple states are under extreme heat warnings, advisories or watches on July 23, according to the National Weather Service.

Cities are seeking low-cost ways to ease the heat island effect. Researchers found benefits and trade-offs in two popular ...

The risks of heat are only growing thanks to lasting heat waves, extreme nighttime temperatures and unusual humidity, like ...

A heat dome​ is trapping over 90 million Americans in extreme temperatures this week with the National Weather Service​ ...

Dozens of extreme heat advisories and flash flood warnings across the central and southeast U.S. have been issued by the National Weather Service.

Recent storms and extreme heat in North Carolina have triggered a surge in pests including mosquitoes and lawn-killing worms.

A heat wave is currently affecting about 160 million people, according to the National Weather Service. Here's which states feel the hottest.

Extreme heat is impacting states across the country. See maps of high temperature forecasts and heat index levels.