Environment Canada confirms a second tornado touched down in Ontario's Muskoka region Friday evening.
The weather office says the twister touched down near Lake of Bays, about 15 kilometres from Huntsville.
On Saturday the weather office confirmed a tornado touched down on Fairy Lake, also near Huntsville.
Officials estimate both tornadoes carried speeds of 130 to 150 km/h.
The thunderstorms that moved through the region downed trees and knocked out power to about 13,000 Hydro One customers.
Many people had to do without electricity for much of Saturday.