St. Catharines, Niagara Falls, Grimsby and Welland under heavy rainfall warning


Published July 17, 2021 at 2:53 am


Canada’s weather agency says that areas of the Niagara region could get as much as 75 millimetres of rain overnight on Saturday, which could lead to localized flooding.

Environment Canada has issued a heavy rainful alert for St. Catharines, Niagara Falls, Grimsby and Welland. It anticipates a total rainfall of 40 to 60 mm, with up to 75 in some spots. The rain is expected to carry through Saturday afternoon, but the heaviest will fall Friday night into Saturday morning.

The storm is part of a weather system expected to move across locations adjacent to the northern shore of Lake Erie, from Elgin County to the Niagara region.

Drivers will need to be cautious of water pooling on roads. Heavy downpours can also cause flash floods. Safety tips are available at

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