Winter Storm Delilah creates perfect condition for large ice balls to form along Lake Michigan - ABC7 Chicago

Aside from bringing most of Wisconsin nearly a foot of snow, Winter Storm Delilah also brought "ice balls" to Lake Michigan.

Winter Storm Delilah could be our biggest storm in years

Mysterious Ice Formations Showed Up in Chicago This Week, Chicago News

Winter Storm Delilah creates perfect condition for Lake Michigan ice balls to form

Bitter cold, windy weather creates ice balls on northern Lake Michigan

Cold settles over Chicago - again - ABC7 Chicago

Ice balls finally start forming on Lake Michigan

Winter Storm Delilah could be our biggest storm in years

Winter Storm Delilah creates perfect condition for large ice balls to form along Lake Michigan - ABC7 Chicago

At least there is one cool thing about this cold weather: Ice balls

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Chicago snow totals: Winter storm drops over 9 inches of snow on northern suburbs - ABC7 Chicago

Ice balls appear on Lake Michigan beach, wash up 'by the thousands