Heat warning issued for Toronto...

Environment Canada has issued a heat warning for Toronto for the next four days as humidex values are expected to reach 40.

The heat and humidity is expected to arrive tomorrow and will last through the weekend until at least Monday.

Temperatures will reach the low to mid 30s while overnight temperatures will stay in the low to mid 20s, offering little relief from the heat.

Toronto will be opening 14 cooling centres across the city at 11 a.m. Friday for the duration of the warning.

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