William Bumpus, left, and L.A. Smith with Joe Pullman Roofing and Construction, repair damaged shingles on the roof of the Colonial Steak House in Pine Bluff on Thursday. The weather may make it challenging to work outdoors for a couple of days. The National Weather Service forecast calls for a 30 percent chance of showers and thunderstorms Friday and a 20 percent chance of precipitation Friday night with a low around 63. Saturday will also bring a 30 percent chance of showers and thunderstorms.