What areas are under a flood warning in the Grand River watershed?

West Montrose and St. Jacobs are currently under a flood warning due to rising water levels.

What is the current weather forecast for the Grand River watershed?

The forecast indicates up to 35 mm of rain by Wednesday morning, with a mix of sun and cloud expected for Wednesday, followed by rain from Thursday to Sunday.

What has caused the flood warnings in West Montrose and St. Jacobs?

Heavy rains that occurred on Tuesday led to rising water levels, prompting the flood warnings and watches issued by the Grand River Conservation Authority.

Home / Environment / Heavy Rain Triggers Flood Warning in West Montrose

Heavy Rain Triggers Flood Warning in West Montrose

1 Apr

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Summary

West Montrose and St. Jacobs face flood warnings due to rising waters.
The Grand River Conservation Authority monitors watershed conditions.
Severe thunderstorms brought heavy rain, with more expected.

As of Wednesday, April 1, 2026, West Montrose and St. Jacobs are experiencing flood conditions, prompting a flood warning from the Grand River Conservation Authority. Rising water levels on Tuesday, fueled by heavy rainfall, led to the alert. The authority has also issued a flood watch for the broader watershed, encompassing Waterloo region, Guelph, and Wellington County.

Low-lying areas in St. Jacobs have been affected by high river flows, with potential for continued flooding into Wednesday. Meanwhile, West Montrose anticipates river levels peaking Tuesday afternoon. The region experienced severe thunderstorms between 4 a.m. and 6 a.m., with intermittent rain persisting throughout Tuesday. Environment and Climate Change Canada forecasts up to 35 mm of rain by Wednesday morning.

Disclaimer: This story has been auto-aggregated and auto-summarised by a computer program. This story has not been edited or created by the Feedzop team.