Summer is here, and heat and humidity have arrived.

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

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 ...

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

The owner of a gravel pit along Hallowell Road in Durham is being fined $15,000 for violating a permit.

Delhi's "feels like" temperature hit 51.3 degrees Celsius on Sunday, June 28, even though the thermometer read just 41.3 ...

Wednesday and Thursday, June 10-11, are forecast to be the hottest days this week in Michigan with 90-degree highs that will ...

An intense heat wave will arrive in North Jersey just in time for the Fourth of July holiday weekend.

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

Eighteen states throughout the U.S. could see extreme heat this week with temperatures soaring past 100 degrees.

The National Weather Service in Tallahassee advised there would be “very dangerous heat, Saturday through Monday. The service released the forecast early this morning, June 24. Classified as […] ...

A heat advisory starts Sunday as the Jacksonville area faces heat indices of 100 to 106 degrees through July 7.