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You might want to grab your sunblock and find a shady spot to wait out Wednesday's extreme heat.

Today could be Toronto's hottest day of the year, with heat warnings spanning across Southern Ontario, according to The Weather Network (TWN).

Toronto is looking to reach a 32-degree daytime high, but temperatures may feel like 42, with plenty of humidity and "muggy conditions."

If Toronto reaches 34, August 25 will take the cake for the hottest day of the year in 2021, according to The Weather Network.

Possible severe thunderstorms and showers may pull through today, offering some relief from the heat.

"Although there is still uncertainty with the timing and how strong the storms will be, the main threats will be heavy rain with strong wind gusts," TWN says.

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