Environment Canada has confirmed a third tornado touched down near Neustadt as part of that wild storm that swept through Ontario last week.
Meteorologist Geoff Coulsen says the tornado was confirmed after a damage survey along a three kilometre stretch near the Grey County village.
Investigators say the damage in the area included uprooted trees and destroyed playground equipment.
Coulsen says the tornado rated at zero, the weakest on the Fujita scale.
Tornadoes also hit Nairn, northwest of London, and an area southeast of Cambridge last Wednesday night.
Environment Canada says there have been 13 confirmed tornadoes in Ontario this year.
The annual average is 12.