Temps will continue to soar today across Pennsylvania with potentially record breaking temps, and humidity. Today’s high is expected to hit 91. While we can expect the hottest weather of the year today, the good news is it won’t last. According to the National Weather Service, a cold front is to sweep through tomorrow, with the potential for severe thunderstorms. The cold front is expected to bring a nearly 20 degree drop in the temperature. The current forecast shows a cooler and wetter pattern through the Memorial Day weekend.