The Aspen Acres Fire burning in Pueblo and Custer counties has burned nearly 86,000 acres and remains at zero containment ...

Today's extreme heat for the World Cup match between Portugal and Croatia is expected exceed world soccer union guidelines ...

Temperatures in the triple digits are expected through the Fourth of July weekend and beyond. Follow these expert-approved tips to learn how to read your local heat index to determine if it's safe to ...

Heat can be dangerous, but health experts say there are ways to manage the threat. Scorching temperatures, especially ...

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

If the dew point is 32 then the relative humidity is 100%, and we all know you don’t walk outside and start sweating at that ...

Reliable operation of data centers has become essential to nearly all sectors of modern society, including health care, education, government services, power grid operation, banking, defense and ...

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.

Meteorologist Ray Petelin joined the KDKA Weather Team in October 2018, but is no stranger to the weather in Pittsburgh and Western Pennsylvania. He has been forecasting in Pittsburgh since 2011 and ...