Giant Sinkholes are Sucking Up Milwaukee 6.72K Adrian Chen 07/22/10 10:50PM Filed to: Sinkholes Sinkholes Milwaukee Escalades Weather Rain Disasters OK, it's only one sinkhole. Today, over 7 inches of rain fell in Milwaukee in two hours. A sinkhole swallowed an Escalade. It's complete madness! This has got to be the most exciting thing ever to happen in Miluwakee. (pic)