The expected snow this weekend will overlap with the anniversary of the famed Groundhog Day blizzard that hit the Chicago area in 2011. That year, during the three-day span of Jan. 31 to Feb. 2, the area was hit with 21.2 inches of snow, making it the third-worst storm recorded in the city at the time, the Tribune reported. At least a dozen in the area died as a result of the storm, Tribune reports said, including an employee of the city Department of Streets and Sanitation who had a fatal heart attack while shoveling snow.