Less clear is the damage that revisiting the rules will do to future presidential election calendars. Party officials worry that without any consequences to states who violate party rules, some states will try to hold primary contests even before the Christmas holidays, significantly changing the dynamic of the early primary season.
"If the rules were not honored then we could have serious chaos in 2012 or in fact in 2011," Roosevelt said. "What's to stop them from going on Halloween?"
With three states left to vote in primaries next week and hundreds of superdelegates still undecided, Clinton still has a path to the nomination.
But after Saturday's meeting and Tuesday's primaries, Clinton will be almost out of moves, left to pin her hopes on getting a major swing of superdelegates -- those 797 members of Congress, party officials and state party representatives who are free to vote for either candidate at the party's convention.
Meanwhile, Obama could sew up the nomination as soon as next week, especially if there is not a massive swing of superdelegates in Clinton's favor.
The Clinton campaign could appeal the party's rules and bylaws committee decision after Saturday, but that is unlikely because any challenge would have to be taken up by the DNC convention credentials committee, where Obama is thought to have a plurality of supporters.
ABC News' Teddy Davis, David Chalian, Rick Klein, Karen Travers, Sunlen Miller, James Gerber and Talal Alkhatib contributed to this report.