Ohio Secretary of State Jon Husted reports that there are 204,927 uncounted provisional ballots and 119,535 absentee ballots that have not yet been counted more than a week after Election Day. That is a total of 324,462 ballots uncounted, which is roughly three times Obama's 107,259 vote winning margin.
If the number of outstanding ballots is greater than Obama's victory margin, it is theoretically possible that Ohio's results could change. But it is not likely. Looking at the location of the outstanding votes suggests that the outcome will remain the same once they are counted.
The most outstanding ballots are in the heavily Democratic leaning Cuyahoga County (60,000), where Obama wo 69 percent to 30 percent. 49,000 ballots are out in Franklin County, where Obama won 60 percent to 38 percent, and there are 25,000 outstanding ballots in Hamilton County, which Obama won 52 percent to 47 percent.