Michigan's heat wave this week will feel even warmer because of high humidity. Here's how the heat index works.

It’s that time of year again, when the subtle warmth of June gives way to the blistering heat of July. The seventh month on the calendar usually sparks plenty of humidity talk across the Midwest.

Heat can be dangerous, but health experts say there are ways to manage the threat. Scorching temperatures, especially combined with high humidity, pose risks particularly for children, older people ...

As a practicing internal medicine physician, I field some version of the same question every time the weather gets hot: Is it safe to be outside right now? This week, the answer leans toward a hard no ...

New York state has entered its first heat wave of the summer - with highs expected to soar into the upper 90s and even past 100 degrees into the holiday weekend. But with the heat index it will feel ...

The metric of how hot the air actually feels has roots in a 1979 journal paper called “The Assessment of Sultriness.” By Andy Newman In recent days, you may have seen or heard many mentions of a ...

You may feel sluggish at first, but adapting to the heat can make you faster over the long term.

Has density altitude affected your flight plans recently? Do you plan for it when you create those summertime flight plans? I ...