Republican lawmakers hold narrow veto-proof majorities, meaning any veto would likely be overridden.
Democrats say Republicans have broken their promise on Medicaid expansion.
With social conservatives opposed, gambling provisions may hinge on a seemingly odd compromise: Medicaid expansion.
A two-year budget — spending roughly $30 billion annually — was supposed to be enacted by July 1.
Over the past two months, the proposed budget plan has gone through a multitude of versions.
Sharp disagreements had emerged over funding for special projects with some lawmakers saying their districts had been neglected.
Lawmakers must draft and pass a budget before they adjourn on June 8.
Following negotiations, a consensus bill will be voted upon by the both chambers.
School vouchers and tax cuts were highlights.
Democrats who voted against the budget bill said legislators could have done much more with public employee and teacher salaries.