Skip to Content The highest heat-related Toronto hospital ER visits on a single day during the heat wave was July 2 when there were 15 • • You can save this article by registering for free here. Or sign-in if you have an account. Out for a run despite the ongoing extreme heat wave in the west end of Toronto, Ontario on Thursday, July 2, 2026. /Postmedia News See more Toronto Sun on Google —save as a Preferred Source Don't have an account?