 930 WFMD sky scan forecast. Frederick and surrounding counties. Heat advisory today. Excessive heat warning Tuesday. Clear skies this morning. Sunshine today. Maybe an afternoon or evening thunderstorm. High 102. Heat index 110. Partly cloudy otherwise tonight. Low 74. Hot Tuesday sunshine. A stray afternoon or evening thunderstorm. High 102. A 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.