Environment Canada has issued a heat warning spanning four provinces as a two-day heat event gears up across much of the central and eastern parts of the country.
The weather agency’s warning applies to broad swaths of southern Ontario, southern Quebec, New Brunswick and Nova Scotia.
Environment Canada says maximum temperatures are expected to reach or surpass 30 C and hit the low forties when combined with humidity.
It says overnight temperatures are expected to be in the low to mid-twenties, bringing little relief from the daytime heat.
The Air Quality Health Index shows southern Ontario is currently in the low to moderate risk category, with southern Quebec, New Brunswick and Nova Scotia in the low risk category….