Here's a very cool tool for those that have people coming or going on an airline flight. You can see real time where a given flight is and watch it progress. You can search for a given flight number to highlight it on the map. It also demonstrates how many aircraft there are in the air in the Midwest.

http://www.flightradar24.com/42.11,-85.76/8

Interesting cloud formation, is it not?

Watch Aargus Air Video