The former president's visit is part of a Midwest swing that includes Minnesota, Iowa, Colorado, Ohio, Virginia, New Hampshire and Wisconsin, the Obama campaign said. All year, the six other states have been considered battleground areas in the presidential race.
Minnesota has not been on that swing state list but a Star Tribune Minnesota Poll, published Sunday, shows a newly tight race between Obama and Republican Mitt Romney. The poll found Obama with a 3 percentage point lead over Romney, an advantage that is within the poll's margin of error of plus or minus 3.5 percentage points.
The state may also see a visit from Romney or his running mate Paul Ryan, the Associated Press reported.
The sudden attention comes as both campaigns have started buying advertising time in Minnesota, which had been lacking until last week.
Although Minnesota has given its 10 electoral college votes to the Democratic candidate for president since 1972, those victories were narrow in 2000 and 2004.
After hours of ringing alarm bells in national GOP circles over whether Donald Trump is in danger of not getting on Minnesota's presidential ballot, the Trump campaign says everything is in working order and voters will have a chance to cast their ballot for the brash tycoon in November.
Interest groups spent less slightly money lobbying state government in 2015 than in the previous year, according to a report released Wednesday by the Minnesota Campaign Finance and Public Disclosure Board.
Small mistakes continue to bedevil and ultimately wreck the Twins. Wednesday, a baserunning gaffe cost a run, a failure to turn a double play provided the Tigers an extra out, and Detroit took advantage.