Now that it’s deep summer, heat waves are repeatedly hitting across the country. If you have air conditioning, it makes sense to put it on full blast. But if AC isn’t an option or if yours has decided to go on the fritz, it’s fair to think flipping on a fan will help keep you cool. Unfortunately, that fan hack only works to a certain extent.

Summer 2025's latest heat wave in eastern Ontario and western Quebec will again stifle the region Tuesday before likely fading on Wednesday. There is a varying chance of showers those two days depending where you are.