 Don't miss Mark Patrick Seminars Monday, July 22nd at the Hilton Garden Inn. For more information, go to markpatrickseminars.com. The 930 WFND sky scan forecast for Frederick and surrounding counties. As we head into the evening, we'll have a 30% chance of scattered showers and thunderstorms mainly before 9 p.m., otherwise mostly cloudy with a low around 75 and southwest winds around 6 miles per hour.