On Sunday, a severe thunderstorm swept through the Greater Montreal area, causing significant damage and resulting in multiple hospitalizations. Urgences-Santé received a 911 call at 4:25 p.m. regarding an inflatable play structure that had been blown away in Ouellette Park, LaSalle. Upon arrival, paramedics assessed 11 individuals, transporting six to the hospital, including two children, with one child in serious condition. In a separate incident in the Mercier-Hochelaga-Maisonneuve borough, a large tree fell onto a parked car on Leclaire Street, but fortunately, there were no injuries reported. Prior to the storm, Environment and Climate Change Canada (ECCC) had issued a severe thunderstorm warning for Montreal and surrounding areas, cautioning residents about strong wind gusts, potential quarter-size hail, and heavy rainfall. The agency emphasized the importance of taking immediate cover during thunderstorms and protecting oneself from flying debris and hail. Such warnings are issued when thunderstorms are expected to produce damaging weather conditions, highlighting the need for public awareness and safety measures during severe weather events.