Heat warning continues for Hamilton, Halton, Niagara

A heat warning remains in effect for Hamilton and parts of Halton and Niagara regions, as temperatures could rise above 30 Celsius, Environment Canada reports.

Temperatures are expected to be a minimum of 18 Celsius to a maximum of 32 Celsius with humidex values of 37 to 40.

The areas near the lakes could be slightly cooler than regions further inland.

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Hot and humid air can also bring deteriorating air quality, resulting in the Air Quality Health Index approaching the high risk category.

Environment Canada says vulnerable people are at a higher risk of heat-related illnesses.

This includes young children, pregnant women, older adults, people with chronic illnesses and those who work or exercise outside.

READ MORE: Extreme heat, humidity hitting Hamilton, Halton, Niagara regions