 Hot and humid as we go into the evening hours. Scattered thunderstorms rolling in ahead of a front. Some of these storms could be severe. Layered night showers and storms will end as the front comes through. Overnight clearing, turning cooler and less muggy. Lows in the 60s. Lots of sunshine, breezy cooler and less muggy on Monday with a high around 80. Mike Stennifer, WTOP News. And right now taking a look at the radar. Seeing some shower activity start to pop up over Loudoun County, Purcellville right now.