Heat waves are becoming commonplace, and so too is high humidity, which can strain the electrical grid, hurt the economy, and ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. First, let’s define relative humidity.

Naser Daher, of Durham’s Old Farm neighborhood, carries his belongings through floodwaters near the Eno River in Durham on ...

The U.S. may face a future marked by diminished water availability, deteriorating crop yields and worsening droughts if ...

Checking the temperature reading during a heat wave won’t tell the whole sweltering story. It’s going to feel a lot hotter. Blame the heat index, also called “apparent temperature.” It’s a combination ...

AccuWeather’s new study released today has been compiled based on official government weather stations in 44 regions of the ...

NORFOLK, Va. — Most summer days, you hear us talk about “humidity” when describing how the air feels. While many people are familiar with the term relative humidity — the percentage of water vapor in ...

Across much of the world, hotter days are no longer arriving alone. The air itself is changing, sometimes turning from dry ...

A new report by AccuWeather shows several climate trends that meterologists warn could have "major impacts" on health and ...

YOUNGSTOWN, Ohio (WKBN) — There might not be a more misunderstood phrase in meteorology than “relative humidity.” Every summer when humidity returns, this phrase echoes across the United States: “It ...