President Barack Obama heads home to Chicago Saturday to rally Democratic voters ahead of next Tuesday’s elections.

The president has been appearing in campaign ads for U.S. Senate candidate Alexi Giannoulias, and he recorded robo-calls encouraging Democrats to vote. On Saturday, he’s making that last-minute pitch in person, as his party tries to hold on to the Senate seat that Mister Obama himself won six years ago next week. Giannoulias will be there, as will Illinois’ Democratic Governor, Pat Quinn.

It’s happening tonight on the Midway - a narrow park on the University of Chicago campus - not far from his family’s house in the Kenwood neighborhood. The president is expected to spend the night here, and then take off Sunday morning.

Then, a Republican celebrity of-sorts will campaign in Chicago for his party’s candidates. U.S. Senator Scott Brown (R-Massachusetts) will headline a get out the vote rally at Joe’s Bar in Chicago’s Lincoln Park neighborhood. Both U.S. Rep. Mark Kirk (R-Highland Park), who’s running against Giannoulias for the Senate seat, and state Sen. Bill Brady of Bloomington, the GOP nominee for governor, plan to attend.