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

On June 17, the crescent Moon will slide directly in front of Venus during daylight hours, hiding the planet from view for observers in parts of the United States, Canada, Brazil, and Venezuela. This ...

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 much water vapor is in the air relative to how much water vapor could be in ...

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

In this video, we cover how to calibrate humidity and temperature controls for drying chambers, an essential process that ...

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

PHILADELPHIA (WPVI) -- A Heat Advisory has been issued for the Philadelphia region for Thursday and Friday. It went into effect at 11 a.m. Thursday and lasts until 8 p.m. on Friday. The high Thursday ...

UPDATE: Spotty thunderstorms possible tonight. Storm threat to ramp up Thursday with fierce winds, hail, heavy rain. Scattered thunderstorms are expected across New Jersey on Wednesday, followed by ...

Scattered severe thunderstorms with gusty winds and hail are possible Thursday evening after heat and humidity soar to dangerous levels across New Jersey. “Storms could produce damaging wind gusts and ...

Data is a collection of information, often in a raw number format or non-numerical. Increase your confidence further in how to plot a variety of graphs by looking at these guides on representing data.

Heads up for the weekend: it will turn quite muggy and we'll have hit and miss downpours both Saturday and Sunday.LIVE RADAR // LATEST WEATHER ALERTS // TRAFFIC MAPSaturday morning will be turning ...