Issue date: 2026-06-21T00:58+00:00
Significant rainfall on the way.Showers and thunderstorms are developing and moving slowly in the areas of Grenville-sur-la-Rouge, Brownsburg-Chatham, Harrington Township, Arundel, Lachute and their immediate surroundings.###Heavy rain may cause flash flooding and significant reductions to visibility.Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are expected to produce damaging hail, wind or rain.