A significant winter storm is set to impact the Upper Midwest and Plains this weekend, causing travel disruptions just after Thanksgiving. Iowa and surrounding areas are under winter storm watches, predicting heavy snow accumulation of up to a foot in some regions. As the storm approaches, communities have declared snow emergencies and advised on street parking prohibitions. The storm is expected to bring wind gusts and mixed precipitation, with heavy snow likely starting Friday night and continuing into Saturday. Travelers are advised to prepare for tough conditions, as the storm could complicate holiday plans.