Flood risk in parts of Ontario rises with ample rain, severe storm threat – The Weather Network

After a stormy Saturday that prompted tornado warnings in parts of southern Ontario, a similar setup for Sunday is taking shape with the bulk of the severe weather chance moving into eastern areas of the province.

A low-pressure system will continue to bring significant rainfall to the region Sunday, with widespread rainfall warnings and special weather statements in place. Some areas could see as much as 100 mm through Monday, elevating the risk of flooding.

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Conditions will also be favourable for thunderstorms to reignite, with the greatest chance of severe weather extending from the Niagara region to Ottawa. Heavy downpours will only enhance rainfall totals in soaked regions, increasing the chance of flooding. In addition, large hail and strong winds are possible.

Monitor the radar for storms approaching your region throughout the weekend. Have a way to get warnings the moment they’re issued, and have a plan in place to take shelter if severe thunderstorms threaten your location.

Storm, flood threat continues on Sunday

The low-pressure system that brought rain and storms to Ontario on Saturday will linger into Sunday as it slowly moves east across the province.

Drenching rains will persist through the overnight hours and into the day Sunday across central and eastern Ontario, where totals could amount to 75-100 mm by the time rain lets up late Sunday. Locally higher totals are possible.