I know it's short notice, but there's 2 40k tournaments on April 11-12 at Egypt Wars 2014.
April 11, 7-11 PM CDT: Warhammer 40k Sneaky Squad Kill Team Tournament
The Black Library eBook Kill Team rules will be used for the tournament.
April 12, 9 AM CDT: Warhammer 40k Charity 1750pt Tournament
Egypt Wars is being held in the SIUC Student Center, in Carbondale, IL. Carbondale is approx a 2 hour drive to the St Louis, MO area and an hour from Cape Girardeau, MO.
Event information is on Warhorn.net