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Environment Canada issues heat warning

A period of daytime temperatures of 29 C or more and overnight lows near 16 degrees will begin this afternoon and continue until early Wednesday morning. Humidex values will be in the mid to high 30s today and Tuesday.
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A heat alert was issued because the humidex is expected to reach 40 degrees C or higher over the next two days. It will be in effect until further notice. File photo.
A period of daytime temperatures of 29 C or more and overnight lows near 16 degrees will begin this afternoon and continue until early Wednesday morning.

Humidex values will be in the mid to high 30s today and Tuesday. Slightly cooler temperatures are expected Wednesday afternoon.

While extreme heat can put everyone at risk from heat illnesses, health risks are greatest for:

-Older adults.
-Infants and young children.
-People with chronic illnesses such as breathing difficulties, heart conditions or psychiatric illnesses.
-People who work in the heat.
-People who exercise in the heat.
-People without access to air conditioning and
-Homeless people.

Drink plenty of liquids especially water before you feel thirsty to decrease your risk of dehydration. Thirst is not a good indicator of dehydration.

Heat warnings are issued when very high temperature or humidity conditions are expected to pose an elevated risk of heat illnesses, such as heat stroke or heat exhaustion.

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