Conditions were favourable most of the day Monday for the development of severe thunderstorms, which could have produced tornadoes. All weather watches ended in the region just before 7 p.m.
Environment Canada has issued a weather watch for the Greater Montreal Area as intense winds and rain are expected this afternoon. The federal weather department issued the thunderstorm watch for Montreal on May 21 at 10:16 a.m., sharing that "conditions [in Montreal] are favourable for the development of dangerous thunderstorms capable of producing very strong wind gusts, large hail and heavy rain this afternoon."