"People have rejected Kathleen Wynne and the Liberals", she said after a rally in downtown Toronto. Ford has promised to find billions in "efficiencies" if his party forms the government after June 7.
"I'm running hard in my own riding, Don Valley West, because I want to go back to Queen's Park to continue to work for you, bringing our Liberal values to Queen's Park", she said. After Thursday, I will no longer be Ontario's Premier.
The latest polls show Ford tracking toward a majority government, although the Ontario NDP under Andrea Horwath have a slightly larger share of the popular vote and momentum.
Ontario's Liberal premier says her first priority if re-elected will be to support the province's steel industry in the wake of newly announced US trade tariffs.
Wynne, who first entered politics as a school trustee in 2000, said at the beginning of the campaign that she believed her party could turn the tide.
THE CANADIAN PRESS Ontario NDP Leader Andrea Horwath speaks with senior citizen homeowners at a campaign event in Mississauga, Ont., on Saturday.
"I know that there are people who are trying to decide how to vote on June 7 and they are anxious about a majority (Progressive Conservative) Doug Ford government", Wynne said.
"That's going to sort itself out - people are going to make that decision ... it's going to be one or the other and let's make sure there are enough Liberals there that there isn't a blank cheque - that there's a check on a majority government".More news: Solo: A Star Wars Story
But Wynne says people should vote Liberal to prevent the NDP or PC from securing a majority.
The move did not sit well with NDP Leader Andrea Horwath, who accused Wynne of "playing a unsafe game" that could propel the Tories to a majority. His NDP won just two seats in that election.
Up in Parry Sound-Muskoka, Liberal candidate Brenda Rhodes says she's received a lot of support from constituents, which fuels her commitment to fighting for a seat at the legislature. The Liberal leader admitted it was tough to accept defeat, but added: "it's not about me".
While the federal government under Prime Minister Justin Trudeau has done much of the heavy lifting to protect the industry in Canada, Wynne played up her own efforts.
For most smaller municipalities, where the mayor is a part-time official and the administration is run by a paid chief administrator, strong mayors don't make sense, said Andrew Sancton, a political science professor at Western University.
"They're for the working people".
"What's really remarkable this time is that within about two days of this campaign starting, that decision had more or less been made - that it was quite clear that it was going to be the NDP against the Conservatives".