 Mobile homes will be heavily damaged. Expect considerable damage to roofs, windows, and vehicles. Extensive tree damage and power outages are likely. This severe thunderstorm will be near Lawn Tree, Riverside, Hills, River Junction, and Hills Access around 6 p.m. West Liberty, Nichols, and Muscatine County Fairgrounds around 6.10 p.m. At Alyssa and Salisbury Bridge Campground around 6.20 p.m.