Today is the first day of summer, and it has arrived in a blaze of heat.
Environment Canada says the most significant heat episode of the year so far will be today with temperatures in the low to mid-thirties.
Later today, an approaching cold front will arrive with scattered showers and thunderstorms, followed by cooler temperatures tonight.
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Officials say everyone is at risk from the heat.
They urge residents to drink plenty of water, and keep cool by dressing for the weather.
