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Humidex expected to remain at mid-30s to low-40s, warns Environment Canada

But it may cool down a bit this weekend
Hot Summer
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WEATHER ALERT
ENVIRONEMNT CANADA
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Heat Warning in effect for:
    •    Niagara Falls - Welland - Southern Niagara Region
    •    St. Catharines - Grimsby - Northern Niagara Region

A period of hot weather continues.

Daytime high temperatures in excess of 30 degrees Celsius, with humidex values in the high 30s to low 40s, are expected. Overnight lows near 20 degrees Celsius are also expected through this period, providing little relief from the heat.

A slightly cooler airmass may move into the area this weekend, however there is considerable uncertainty. A few areas towards eastern Ontario are likely to experience extreme heat and high humidex values on Saturday as well.

Please refer to your public forecast for further details on expected temperatures.

Hot and humid air can also bring deteriorating air quality and can 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.

Check on older family, friends and neighbours. Make sure they are cool and drinking water.

Never leave people or pets inside a parked vehicle.

Keep your house cool. Block the sun by closing curtains or blinds.

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