 The 930 WFMD sky scan forecast, Frederick and surrounding counties. As we head today, mixed clouds and sun, straight thunderstorm early, showers likely, and spots of thunderstorm for the afternoon, a high 94. Clouds, showers, and thunderstorms Thursday night, low 74. Friday, partly sunny, a couple of showers and thunderstorms, a high 94. PJ's Roof. When it comes to your roof, they've got you covered. Visit PJsRoofing.com. I'm meteorologist Jim Rinaldi.