Senate Majority Leader Harry ReidHarry ReidConservative Senate candidate calls on GOP to end filibuster Ex-Reid aide: McConnell's 'original sin' was casting ObamaCare as 'partisan, socialist takeover' GOP faces growing demographic nightmare in West MORE (D-Nev.) joined his Republican counterpart Sunday afternoon in expressing optimism on a deal currently in the works between congressional leaders and the White House. 

"We are close to an agreement with Republican leaders," Reid said. “[A]fter speaking to Republican leader Mitch McConnellMitch McConnellMcCain returning to Senate in time for health vote Senate Dems launch talkathon ahead of ObamaCare repeal vote Overnight Healthcare: Trump pressures GOP ahead of vote | McConnell urges Senate to start debate | Cornyn floats conference on House, Senate bills | Thune sees progress on Medicaid MORE [R-Ky.] this morning, we are cautiously optimists.”

The deal would cut roughly $3 trillion in a combination of discretionary cuts and caps over the next decade in exchange for approving an immediate hike in the nation's borrowing limit. 

Reid's positive outlook Sunday stood in sharp contrast to statements he made just 18 hours before on the Senate floor in which he adamantly denied McConnell’s claims that an agreement could be on the horizon. 

The “Republican leader should know that merely saying you have an agreement in front of television cameras doesn't make it so," Reid said.

Reid cautioned Sunday that the tentative agreement remained fragile.

"No agreement has been made,” said Reid. “[W]e are not there yet.”