Heat index: Why humidity makes it feel hotter than the actual air

Checking the temperature reading during this weekend’s heat wave won’t tell the whole sweltering story. It’s going to feel a lot hotter.

Heat Tools and Statistics

Heat index: Why humidity makes it feel hotter than the actual air temperature

Lower humidity, dry days ahead after weeks of severe weather in DC, Maryland & Virginia

Is the Heat Index Real?

Weather 101: The heat index vs. the wet-bulb globe temperature

How Does Relative Humidity Affect How I Feel Outside?

What is 'feels like' temperature? Official blog of the Met Office news team

Temperature vs. Feels-like Temperature: What's the difference?

Here's how the heat index works: Why it feels hotter than the temperature