Temperatures are expected to reach the mid 90s on Saturday and continue climbing throughout the weekend and into Monday, ...

Officials warn of health risks as massive weather system traps sweltering air.

Record-breaking heat indices — a combination of temperatures and humidity to determine how heat really feels to the body — ...

We’re wrapping up the week on a bright, warm note. Temperatures aren’t too far off the mark for the summer solstice, only a few degrees above average, and more humid air is making its way into the ...

No other single obstacle to running or any physical activity outside compares to humidity in warm temperatures. We’ve had a great spring so far, but the humidity hit us hard starting this past weekend ...

Some heat safety tips are obvious — but some are surprising. Know how much water to drink and why humidity actually matters.

High humidity can make it tough for your body to cool down. As most of the country braces for extreme temperatures, a doctor ...

Humidity not only makes it harder for the body to cool off by evaporating sweat from the skin, but helps the air retain heat ...

A dangerous heat dome is forming over the mid-Atlantic and is expected to intensify through next week, bringing Baltimore its ...

Summer solstice Friday night at 10:42 p.m. and tonight and tomorrow very comfortable, downright sticky on Sunday and ...

Tens of millions of people in the U.S. are facing heat warnings, which can increased the risk of heat-related illness.

Next week, parts of New York could see high temps reach 100°F. Because our bodies gradually adapt to heat as the summer progresses, we’re especially vulnerable in June.