Hazardous winds, rounds of thunder to close out Ontario's weekend
Expect blustery winds and possible rumbles of thunder to end the weekend across southern Ontario
We’re under the influence of a powerful low-pressure system that caused widespread wildfires and tornado damage south of the border.
While conditions aren’t nearly as bad across Canada, southern sections of Ontario are in for another round of unseasonable warmth and maybe some additional rumbles of thunder before a big change arrives to start the new workweek.
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Blustery winds, potential thunderstorm Sunday
The weekend looks to end on another warm note as southerly winds persist over southern Ontario. Temperatures as warm as 20°C are possible for the eastern Niagara Peninsula before the cold front arrives on Sunday evening.
Sunday’s headline will be the strong and potentially damaging wind gusts that’ll build across the region as a deep area of low pressure lifts north to the Bruce Peninsula through the day.
Maximum wind gusts could reach 80 km/h in Toronto and 90 km/h around Hamilton. Folks down by St. Catharines could see wind gusts of 90 km/h, while gusts up the road toward Barrie could peak around 80 km/h.
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These winds could lead to scattered downed trees and power lines.
We could also see a line of thunderstorms begin to organize ahead of a cold front on Sunday, bringing additional heavy rainfall and strong wind gusts, as well as the risk for small hail.
The Niagara region is at the greatest risk to see stronger storms, with the potential for a couple of storms to reach severe criteria. However, the strong winds will still remain the greatest threat.
The stormy weather will push out of the region by Sunday evening, making its way into eastern Ontario, where the severe risk will continue.
By late Sunday, precipitation up north by Timmins will switch over to snow as cold air funnels south across the province. Wet snow could even reach as far south as the Bruce Peninsula and the shores of Lake Huron by Sunday evening, potentially bringing these areas a few centimetres of accumulation.
It’s spring, after all, and temperatures won’t remain this warm for long. This cold front will send daytime high temperatures back into the single digits by Monday, with variable temperatures expected through the upcoming week.