It was NASTY!
That is what my mom said. (I live about 80 miles away from STL) She said the lightening was awful. She lives out by the airport.
Some photos here...
http://ksdk5.4wmt.com/packages/templates/anonymous/album/browse.aspx?pageid=2f433daf-b44f-49a0-a624-f1d024409f39