Democrats have pledged to block every spending bill until they get a larger budget deal.
The Senate will take a final vote on the National Defense Authorization Act (NDAA).
The Senate will take a procedural vote on an annual defense bill.
The Senate will vote on a nomination at 5:30 p.m.
Senators will also debate a defense bill across the Capitol.
Democrats have asked their colleagues to block the bill.
Lawmakers face an end-of-the-day deadline to pass a funding bill.
House Republicans will meet to discuss the "path forward" after Speaker John Boehner announced he would resign.
The Senate will take a procedural vote on a short-term spending bill.
Government funding runs out Thursday at midnight.