Ontario on the lookout for weekend severe storms, flooding risk – The Weather Network

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Farther south, expect thunderstorms to develop on Saturday afternoon and roll inland from Lake Huron. There’s still some lingering uncertainty exactly where these storms will develop and track, so factor the risk for rain into any outdoor plans through the day.

A copious amount of atmospheric moisture lumbering over Ontario will provide a vast reservoir for any showers or thunderstorms to tap into this weekend.

Look out for a risk for torrential downpours and strong wind gusts in any thunderstorms that develop. Some areas could see 50-100 mm of rain through this weekend, which could lead to localized flooding in vulnerable areas.

Storm threat continues into Sunday

Our low-pressure system will stick around with unsettled weather to end the weekend. Heavy rains will persist across central Ontario through the day Sunday.

Meanwhile, folks across southern Ontario and the Greater Toronto Area will contend with a cold front swinging into the region on Sunday morning. Showers and thunderstorms will develop along and ahead of this front as it arrives.

Dynamics are favourable for severe weather across portions of eastern Ontario as the thunderstorms arrive on Sunday afternoon. Keep an eye out for the potential for strong wind gusts, heavy rainfall, and some hail in the stronger storms in the area.