Meteorologist Paul Douglas answers reader questions about the weather and other natural phenomena every couple of weeks.

You might check the forecast and see 40% relative humidity in the afternoon, then step outside and feel sticky and ...

Dr. Elizabeth Yuko is a bioethicist and adjunct professor of ethics at Fordham University. She has written for The New York Times, The Washington Post, The Atlantic, Rolling Stone, CNN & Playboy. When ...

Relative humidity measures how much moisture is in the air compared to how much it could hold at a given temperature. It is simply the dew point temperature divided by the air temperature, times 100.

Humidity - arguably the most important factor in deciphering how pleasant a day will be. We all know 90 degrees with high humidity and 90 degrees with no humidity is a different ball game. The ...

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 ...