 930 WFND Skyscan 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. Wednesday, we'll have a 70% chance of showers and thunderstorms, otherwise mostly sunny with a high near 96 and west winds 3 to 8 miles per hour. PJ's Roofing. When it comes to your roof, they've got you covered. Visit PJsRoofing.com. I'm Dan Sutton.