There were reports of storm-related damage in the Arkona area as heavy thunderstorms rumbled across the region Saturday.
CLEARED: TRAFFIC HAZARD: Gordon Rd b/t Townsend Li and Jura Li #Arkona - Tree removed from roadway. ^jt
— OPPCommunicationsWR (@OPP_COMM_WR) June 17, 2017
Environment Canada issued a severe thunderstorm warning for Sarnia-Lambton in the early afternoon.
Threatening conditions continued across southern Ontario through the day with tornado warnings being issued in some areas.
There were reports of a possible tornado in Grey County but the weather agency had not confirmed any tornado touchdown as of early Sunday evening.