Intense Storms Disrupt Southern Ontario Roads and Services

People in parts of midwestern and southwestern Ontario were advised to get ready for a powerful thunderstorm with strong winds on Wednesday afternoon.

At around 4:45 p. m., Environment Canada issued red level severe thunderstorm warnings for much of Huron County, Perth County, Middlesex County, and Lambton County.

Tornado warnings were also put out for Huron County and Perth County, while tornado watches were announced for Middlesex County and eastern Lambton County.

Shortly after 5 p. m., the red level tornado warning was lowered to an orange level tornado watch for southern Huron County.

By 5:30 p. m., all red level tornado warnings had been downgraded to orange level tornado watches.

“Take cover immediately in a basement, interior room, or a sturdy shelter when threatening weather approaches. If no shelter is available, lie in a low spot and protect your head from flying debris. If you are out on the water when threatening weather approaches, return to shore and seek shelter, if possible, or move directly away from the path of the tornado. Otherwise, wear your lifejacket, lie face down and protect your head,” the warnings said.

Around 7 p. m., West Region Ontario Provincial Police reported that the severe weather caused multiple road closures in the area due to fallen trees and powerlines.

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Just before 7:30 p. m., a red-level tornado warning was reissued for Sarnia-Lambton.

Environment Canada warned that a severe storm capable of producing destructive winds, hail, and heavy rainfall was moving rapidly from Michigan’s direction.

The warning was downgraded back to yellow within 10 minutes; however, the weather agency still urged people to stay indoors as conditions remained dangerous.

Many power outages occurred following the storms with crews working hard to restore electricity for customers. Unfortunately, there often wasn’t an estimated time for restoration available.

Power outages following severe thunderstorms Wednesday, Sept. 2, 2026 (Image from Hydro One Power Outage Map)

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