 The 930 WFMD sky scan forecast for Frederick and surrounding counties. Mostly sunny today with a high near 89. 71 and partly cloudy for this evening. We'll have a chance of showers and thunderstorms for Thursday with a high near 92. And a heat index value at 100. Showers and thunderstorms for Thursday night with low around 73. We'll have a slight chance of showers for Friday with a high near 93. PJ's Roofing. When it comes to your roof, they've got you covered. Visit PJsRoofing.com. I'm Holly Vale.