severe weather swept through the GTA and surrounding areas this afternoon producing major flooding and even a tornado a powerful storm system swept through southern Ontario leading to strong winds and heavy rainfall a rainfall warning Still Remains in effect for Toronto and the GTA with local rainfall amounts of 50 to 100 millimet possible through tomorrow a major flooding was seen in missaka this footage shared by the Miss Saga fire department shows a delude of water in the area of Dundas and queen Freda Street drivers had to be stopped at the light so they couldn't try to drive through the water Credit Value conservation has also issued a flood warning warning all people to avoid culverts bridges and dams