A motorist looks out their sunroof as their car sits stranded on the flooded Don Valley Parkway during a storm in Toronto on Wednesday, Sept. 2, 2026. THE CANADIAN PRESS/Keito Newman

By The Canadian Press

Widespread power outages remain after damaging storms slam southern Ontario

Sep 3, 2026 | 2:06 AM

TORONTO — Thousands across the Greater Toronto Area and parts of Ontario’s Golden Horseshoe remain without power after a severe storm flooded streets, knocked down trees and utility lines.

Toronto Hydro reported early Thursday that roughly 8,300 homes and businesses were still in the dark, while the province’s Crown-owned power supplier, Hydro One, said more than 47,000 customers remained offline.

Localized flooding forced the closure of some major roadways, including parts of Yonge Street and the Don Valley Parkway, and suspended subway service in some areas during the Wednesday afternoon rush hour.

Toronto officials said they received roughly 1,000 requests for service and have deployed crews to deal with storm-related issues.

“City crews have been clearing debris and sediment and sweeping roadways since flood waters began receding overnight,” the city said on its website.

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“Closures will remain in place until cleanup operations are complete and the roadways are determined to be safe for reopening.”

The intense weather brought torrential rain, large hail and the risk of a tornado to wide swaths of southern Ontario as skies darkened over downtown Toronto and hail pummelled neighbourhoods further north.

Video on social media showed large hail falling and downpours flooding vehicles and bus stations, sending people running for cover.

The storm also caused flight delays and cancellations at Toronto’s Pearson airport, and left some serious damage to Rogers Stadium, a 50,000-capacity music venue in the city’s north end.

This report by The Canadian Press was first published Sept. 3, 2026.

The Canadian Press

by The Canadian Press

Widespread power outages remain after damaging storms slam southern Ontario

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