 Saturday, mixed clouds and sun with an isolated shower or thunderstorm, the high 86. Sunny Sunday, the high near 90. Partly sunny Monday, could be an afternoon thunderstorm or two, the high 92. PJ's Roofing. When it comes to your roof, they've got you covered. Visit PJsRoofing.com. I'm meteorologist Jim Rinaldi. Sunshine and 69. And Frederick, Business Update with Chris Murray is next.