It will be a hot and muggy start to the week with plenty of sunshine. High temperatures Monday will be near 90 degrees. The record high temperature in Pittsburgh on Monday is 91 degrees set in 1962.
Tuesday will be another very warm day with highs in the upper 80s near 90 degrees. A shower or thunderstorm is possible on Tuesday evening.
It will get damp Tuesday night and Wednesday with scattered showers and thunder possible. Wednesday will be much cooler with highs in the lower 70s, but it will still feel muggy for much of the day…