Hurricane Isaias poses significant risks to Mobile County, including hurricane-force winds, coastal and urban flooding, and life-threatening storm surge. Power outages and significant river flooding are also anticipated. Residents in vulnerable areas, such as flood zones or manufactured homes, are at the highest risk and are encouraged to evacuate to safer locations. Public shelters are available for those unable to find alternative accommodations. The storm's impacts are expected to begin Friday afternoon or evening, making early preparation critical.