Although Reid did not mention the Senate race in Arizona between Rep. Jeff FlakeJeffrey (Jeff) Lane FlakeFlake to try to force vote on DACA stopgap plan Congress punts fight over Dreamers to March Outgoing GOP rep: Republican Party 'heading into trouble' in election MORE (R-Ariz.) and Democrat Richard Carmona, in which roughly 80,000 votes separate the two candidates. Flake is ahead of Carmona, but that could change depending on the uncounted ballots.

Arizona’s strict new voter ID laws meant that more provisional ballots were handed out on Election Day — Arizona Democrats have said the number of provisional ballots were higher in Hispanic neighborhoods.

Arizona law gives election officials 10 days to verify and process provisional ballots, giving them until Friday to finish counting the votes.

Last week, the Supreme Court agreed to hear arguments on whether the Arizona voting laws violate the Voting Rights Act.

“In light of the Supreme Court’s decision to hear challenges to the Voting Rights Act, we are reminded that the right to vote is the foundation of our democracy,” Reid said. “That right is not secure when some votes are counted while others are suppressed or ignored. I expect state and local officials in Arizona to ensure that every vote is counted promptly, accurately and equally.”

Two House races have yet to be called, as well. Rep. Ron BarberRonald (Ron) Sylvester BarberPrinciples and actions mean more than Jeff Flake’s words Giffords to lawmakers avoiding town halls: 'Have some courage' Ten House seats Dems hope Trump will tilt MORE (D-Ariz.) is 289 votes ahead of Republican opponent Martha McSally, as of Saturday. And Democrat Krysten SinemaKyrsten Lea SinemaTrump administration pushing to weaken Russia sanctions bill: report Ryan reelected Speaker in near-unanimous GOP vote The Hill's 12:30 Report MORE held a small lead over Republican Vernon Parker in Arizona’s 9th District.