Orangeville Fire Chief Andy Macintosh told CBC News that no one has been injured to his knowledge.
Macintosh said the damage occurred along the Fourth Line of Amaranth on Tuesday.
The fire chief tweeted photos of downed trees and damaged trunks.
The Orangeville, Grand Valley and southern Dufferin County areas had been under a severe thunderstorm watch as of late Tuesday afternoon. Amaranth is a part of Dufferin County.