This is an archived article and the information in the article may be outdated.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. ROCHESTER, N.Y. (WROC) — Throughout the ...

The temperature on any given summer day may be in the 80s or 90s. So why does it feel so much hotter and oppressive at times? That's the heat index doing its thing. Here's how it works: What is the ...

This article is republished from The Conversation, an independent and nonprofit source of news, analysis and commentary from academic experts. Micki Olson is a senior researcher in emergency and risk ...

The heat index, or apparent temperature, combines air temperature and humidity to indicate how hot it feels to the body. High humidity slows sweating, the body's natural cooling system, making ...

Relative humidity measures how much moisture is in the air compared to how much it could hold at a given temperature. It is simply the dew point temperature divided by the air temperature, times 100.

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 ...

This is an archived article and the information in the article may be outdated.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. ROCHESTER, N.Y. (WROC) — Throughout the ...

A temperature of over 100 degrees doesn’t paint the whole picture when it comes to determining how hot it feels. The heat index does. What is the heat index? “It is essentially what temperature feels ...

Extreme levels of heat and humidity are forecast to spread across the country over the next two weeks, blanketing the Southwest, Midwest, and East Coast with high temperatures beginning this June 19 ...

You may have heard of dehumidifiers, which are machines that help reduce the humidity in your home, but what is relative humidity? And why does it matter for you? There are some confusing terms that ...