It all has to do with the track of the tropical low coming out of the Gulf of Mexico. The further east it goes, the more rain we get. The further west it goes, we should not see as much, but we don't escape with that scenario either. If heavy rain falls in eastern Oklahoma, that could bring more river flooding.
One more thing to watch, tornadoes. Yep, tornadoes. While I do not expect any outbreak, we must watch this. Tornadoes out of tropical systems are usually brief spin-ups.
This video goes over everything you need to know.