Relative humidity and dew point are both used to identify how much moisture is in the air. Relative humidity is a percentage ...

That is because the dew point is a measure of how much water vapor is in the air and relative humidity is a measure of how ...

Relative humidity is not a good way to tell if we have muggy air on the way. Here’s why. The key word in relative humidity is ...

ROCHESTER, N.Y. – This time of the year it is especially important that we effectively communicate the amount of moisture in the atmosphere on any given day. There are different ways of doing this, ...

TOLEDO, Ohio — As warm summer days continue throughout northwest Ohio and southeast Michigan, so does the chance of hot days becoming more common over the years. Let us set the stage: you are watching ...

'Feels like' temperatures are just another name for the heat index. Here's how to understand the calculations as temperatures ...

Most people assume that temperature and relative humidity always move in opposite directions throughout the day: when the air warms up, it becomes drier, and vice versa. This common pattern makes the ...

The number on the thermometer only tells half the story. Here’s what to know about heat index—and why some scientists are ...

On Wednesday and Thursday, June 10-11, Michigan will see tropical conditions as heat and humidity rise. Here's what it will ...