Senate Majority Leader Harry ReidHarry ReidDraft House bill ignites new Yucca Mountain fight Week ahead: House to revive Yucca Mountain fight Warren builds her brand with 2020 down the road 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 McConnellStudy: Trump tops recent GOP presidents in signing bills in first 100 days Senate passes stopgap funding bill to avert shutdown Let’s never talk about a government shutdown — ever again 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.”