 A 930 WFMD sky scan forecast for Frederick and surrounding counties. Partly sunny today with a high near 99 and a heat index at 105. Scattered showers and thunderstorms for this evening with a low around 77. Partly sunny skies for Saturday with a high near 95 and a heat index at 101. And for Saturday night, mostly cloudy with low around 71. PJ's Roofing, when it comes to your roof, they've got you covered. Visit PJsRoofing.com. I'm Holly Vail.