A major winter storm is impacting the Chicago area, bringing heavy snowfall expected to accumulate between 3 to 6 inches. Winter weather advisories are in effect, warning residents of hazardous travel conditions as accumulations begin Wednesday afternoon and persist into the evening. Snow plow crews are actively working to clear roads in the north and northwest suburbs, while some schools have announced closures and early dismissals due to the storm. Forecasts indicate the potential for a slick commute, and residents are urged to stay cautious as the region braces for what could be the largest snowstorm of the season.