Before we get into this, it is worth noting that outlining severe weather risk areas this far out is very rare. The Storm Prediction Center will only do such an outline if confidence is high that a severe weather event (possibly significant) could occur. Some of the worst severe weather outbreaks have been predicted at this same forecast period of 6 days away (although it days Day 7 (D7), it is actually 6 days away because Day 1 is referred to as the present day). I'm not saying this will be an incredible weather event, but such a long range forecast certainly says something.
Here's my map and discussion for this event, subject to potentially major changes: