A powerful thunderstorm with high winds hit the Ottawa region and eastern Ontario Saturday night, causing widespread power outages affecting thousands of residents and downing tree branches and power lines. Hydro Ottawa and Hydro One crews are working to restore power, while a heat warning remains in effect for the region.
Thunderstorms, winds prompt downed tree branches, power lines in Ottawa and region
Ottawa
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TL;DR: Key points with love ❤️A powerful thunderstorm with high winds hit the Ottawa region and eastern Ontario Saturday night, causing widespread power outages affecting thousands of residents and downing tree branches and power lines. Hydro Ottawa and Hydro One crews are working to restore power, while a heat warning remains in effect for the region.
Trending- 1 Saturday night (June 21, 2025): Powerful thunderstorm hits Ottawa region and eastern Ontario.
- 2 Sunday morning (June 22, 2025): 6,000 people without power in Ottawa at 5 a.m., reduced to 3,000 by 9 a.m.; approximately 32,000 people without power in eastern Ontario.
- 3 Sunday afternoon until Tuesday night: Dangerous heat and humidity forecasted.
- Thousands of people without power (6,000 in Ottawa at 5 a.m., 3,000 at 9 a.m.; 32,000 in eastern Ontario)
- Downed tree branches and power lines
- Traffic lights out, requiring drivers to treat intersections as four-way stops
- Dangerous heat and humidity forecasted for the region
What: A powerful thunderstorm caused widespread power outages and downed tree branches and power lines.
When: Saturday night (June 21, 2025); Sunday morning (June 22, 2025). A heat warning is in effect from Sunday afternoon until Tuesday night.
Where: Ottawa region, eastern Ontario, including areas from Kingston to Cornwall and the Ottawa Valley.
Why: High winds and tree contact caused damage to power infrastructure.
How: The thunderstorm brought high winds, leading to downed wires and tree branches, disrupting power supply to thousands of customers.