Pittsburgh Weather: Temps Hit 90s, Humidity Expected To Stick Around

PITTSBURGH (KDKA) – The heat and humidity started creeping up over the weekend, and now it is starting to feel like a sauna. Pittsburgh hit 90 degrees on Monday.
A ridge of high pressure has set up across the area. That is what is responsible for our sunshine. The high pressure is also cycling in the heat and humidity. As more moisture moves in, the greater our chances for showers and thunderstorms will become.
(Photo: KDKA Weather)
The rain and thunderstorm activity will become more wides