If you stepped outside this afternoon, you probably noticed it almost instantly. The air felt heavy, thick, and distinctly ...

Humidity is an extremely important parameter in the protection of cultural heritage. Despite this its climatology has not been frequently studied. A range of instruments have been available for many ...

Humidity levels are set to rise towards the end of the week, bringing with them a noticeable shift in the air’s moisture ...

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 ...

Trey Fulbright is the newest meteorologist on the KDKA First Alert Weather Team. In addition to seeing his forecasts on air, he also does weather and climate reporting. Trey comes to KDKA from Des ...

Humidity can make or break a summer day. A sunny day with a temperature of 85 degrees can feel pleasant when the humidity stays low, but once the humidity cranks up, that same day can become ...

Industry leaders realized hundreds of years ago that their processes and machines operate best when the indoor relative humidity is maintained at an optimum level for their process. They found it was ...