USD Vermillion Classes Canceled: The University of South Dakota-Vermillion has canceled classes and events for Monday, Jan. 22, 2018, due to the snow storm. The USD Vermillion campus remains open. Non-instructional personnel should use their own best judgment on whether to report for work. All employees still should submit their time sheets by 10 a.m. Monday. At this time the university expects to operate as usual on Tuesday, Jan. 23.