Rare "rainbow cloud" spotted over Dearborn By Derek Kevra Published August 7, 2016 News FOX 2 Detroit Share Copy Link Email Facebook Twitter LinkedIn Reddit DEARBORN, Mich. (WJBK) - A strange sight in the sky today over Dearborn. Viewers sent FOX 2 dozens pictures of what appears to be a rainbow cloud of some sort. What is it and how did this happen? FOX 2 weather authority Derek Kevra explain.