Southern Wisconsin- not far from Chicago here.

Yesterday around 4:30 (give or take 30 minutes), there was a HUGE chemtrail sprayed, but, what scared me - and made people in the parking lot watch it was that it was black, and it cast a shadow. I don't have a cell phone that has a camera, so, I couldn't take a pic.

About 30 minutes later, there were spots of rainbow- I don't know what else to call them, but, it wasn't a full rainbow, it just seemed like rainbow squares or segments. Strangest thing I've ever seen.