If you are planning on heading out to Millennium Park to see the Chicago Christmas Tree lighting, make sure to dress warm.

Chicago experienced a blast of winter weather Thursday, as a snow storm moved through the area, with 1 to 4 inches of accumulation.

WGN News obtained videos of Chicago police officers trying to stop dozens of young people from fighting near State and Monroe Friday evening, just after the Christmas tree lighting at Millennium Park.

The tree, which was donated by a Logan Square family and placed in Millennium Park earlier this month, was illuminated Friday evening.

The 53-foot Colorado blue spruce donated by the Holden-Shaddick family in Logan Square will be wrapped with thousands of ...