A heat Warning in effect for the area.
Slightly cooler and drier air mass coming into the area for Tuesday.
Hot and humid air can also bring deteriorating air quality and result in the air quality health index approaching the high risk category.
The risks are greater for young children, pregnant women, older adults, people with chronic illnesses and people working or exercising outdoors.
There is also a severe thunderstorm watch in effect for the area that could produce damaging wind gusts up to 90 km/h throughout portions of Southern Ontario into the late evening.
Remember, when thunder roars, go indoors!
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Today, a mix of sun and cloud. 60 percent chance of showers this afternoon with risk of a severe thunderstorm. Wind southwest 20 km/h gusting to 40. High 31. Humidex 39. UV index 10 or very high.
