Much of eastern Canada remains under blanket of hot, humid air

ThermometerSized

ThermometerSized

Heat warnings are in effect for much of Ontario and parts of Quebec heading into the long weekend, while the Maritimes are being cautioned about warmth and humidity.

"Daytime highs for the next three days are still [forecast to be] 31 C, 32 C and the overnight lows are still going to be near 20 C. It's going to be hot and humid through to Thursday", said Zhang.

They planned to visit thousands more as the heat was expected to continue until Friday.

"We can anticipate seeing more frequent heat alerts because the threshold has been lowered but that threshold is actually based on an up-to-date analysis of where we actually start to see impacts on human health", says Dr. Strang.

The warnings stretch from Sudbury and North Bay down to Windsor and east past Montreal. You haven't felt anything yet, according to Environment Canada. Temperatures in Canada's largest city have topped 30 degrees every day since Friday.

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Last week, Environment Canada issued a heat warning for the GTA, calling it the "most significant heat event in the past few years". The last one was in 2011 at eight days.

Humidex values reaching 43 are expected.

University of Waterloo climate scientist Blair Feltmate says the heat wave can't be directly attributed to climate change, but that suggesting the two aren't linked would be like arguing that no particular home run can be attributed to steroids when a baseball player on a hitting streak is caught doping. However, the risks are greater for young children, pregnant women, older adults, people with chronic illnesses and people working or exercising outdoors.

Make sure to stay cool and hydrated.

The City of Toronto continues to have seven cooling stations open across the city as well as public, air-conditioned spaces like libraries and community centres available so people can catch a break from the never ending heat wave.

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