However, this is talking about river levels at Cairo, Illinois (pronounced "Cay-Roe", BTW) which is on the Ohio River right before it dumps into the Mississippi

However, this is talking about river levels at Cairo, Illinois (pronounced "Cay-Roe", BTW) which is on the Ohio River right before it dumps into the Mississippi. The Ohio provides the majority of the water in the lower Mississippi, so it is definitely concerning.