It's not supposed to calm down until Friday.
Remnants of tropical storm Henri are expected to sweep into southern Ontario on Monday, bringing heavy showers and scattered thunderstorms into parts of the province.
Environment Canada has also issued several heat warnings for Monday as daytime temperatures are expected to reach 30 C with swampy levels of humidity making it feel closer to 40 C.
You'll have to keep your air conditioners running all week as TWN reports that Ontario won't receive much relief from the muggy, sweaty conditions until Friday.
"Somewhat cooler weather is expected at the end of the week or the weekend, but the heat and humidity will return on the weekend, though temperatures won't be quite as warm as in recent days," an excerpt from the report reads.