 The 930 WFMD sky scan forecast for Frederick and the surrounding counties. We have a heat advisory today, excessive heat watch for Tuesday. This morning, a clear sky, sunshine today, stray afternoon or evening, shower, thunderstorm, high 102, heat index 110. Otherwise, partly cloudy tonight, low 74. Tuesday, sunny sky, stray afternoon, thunderstorm, high 102, heat index 112. PJ's Roofing. When it comes to your roof, they've got you covered. Visit PJsRoofing.com. I'm meteorologist Jim Rinaldi.