Maps show where extreme humidity and 90- or 100-degree temperatures will affect around 255 million people across the United ...

Heat is the number one killer -- and it’s heading to the most densely populated part of America for a prolonged period.

Air conditioning accounts for 7% of global electricity and 3% of carbon emissions. Here's how to beat the heat—efficiently.

TONIGHT Partly cloudy skies with a few showers or storms possible. Lows in the low 60s expected. FRIDAY SUMMER SOLSTICE ...

The current heat wave in the Northeastern United States threatens the comfort and even the safety of millions of people. Not all people, however, face the same level of risk from the heat and humidity ...

A heat wave is rolling into the Stark County area this weekend. How hot will it get in the Canton area and will records fall?

First Alert Weather Days are now issued for Friday, Saturday, and Sunday. Heat index values could be over 110 degrees.

The news comes as Central Iowa Water Works continues to enforce a lawn watering ban due to high nitrate concentrations in the ...

Weekend: Despite a break from the rain with sunny conditions, dew points surge into the lower 70s. Temperatures climb into the upper 90s. The combination of heat and moisture pushes heat indices above ...

WLKY Meteorologist Matt Milosevich has the latest on another chance of showers and storms Thursday, ahead of the first heat wave of the year.

U.S. bringing the potential for dangerous heat next week.Heat will continue to increase through Thursday with daily chances of afternoon thunderstorms and periods of moderate to heavy rain showers. A ...