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<\/p>\nHot and humid weather conditions\u00a0will come to an end for the\u00a0Greater Toronto and Hamilton areas and eastern Ontario by Wednesday night, Environment Canada says.<\/p>\n
According to the federal weather agency,\u00a0a slightly cooler and less humid air mass will slowly move into the region on Wednesday.\u00a0<\/p>\n
“Temperatures Wednesday night will drop to the mid to upper teens,” the federal weather agency said in an updated heat warning on Tuesday evening.<\/p>\n
In Toronto, daytime highs on Tuesday will be about 30 to 33\u00a0C, with the humidity making it feel closer to 37 to 40. Overnight\u00a0lows will be between 20 to\u00a023\u00a0C.\u00a0<\/p>\n
On Wednesday, the\u00a0daytime high will be 29\u00a0C, but will feel closer to 37 with the humidity. The low is expected to be\u00a018 C.<\/p>\n
The\u00a0forecast calls for a mainly cloudy Wednesday with a 40 per cent chance of showers. There is a risk of a thunderstorm late in the morning and afternoon.\u00a0<\/p>\n
WATCH | Toronto surpasses last year’s number of heat wave warnings in the first half of summer:\u00a0<\/p>\n
Toronto under 5th heat warning, surpassing last year\u2019s total only halfway through summer<\/p>\n
Toronto Public Health reports 51 heat-related emergency room trips so far this month, more than in July 2024. Mayor Olivia Chow says more needs to be done to improve the city\u2019s hot weather plan.<\/p>\n
Environment Canada warns hot, humid air can\u00a0lead to worsening air quality.\u00a0The air quality health index\u00a0for Toronto<\/a>\u00a0was at 3, or “low risk,”\u00a0as of Tuesday evening.<\/p>\n People are advised to drink water often, watch for signs of heat exhaustion and check on those at-risk for heat illnesses, according to\u00a0the federal weather agency.\u00a0<\/p>\n It suggests turning on air conditioning, using a fan and staying indoors to limit exposure to the heat.<\/p>\n “Heat warnings are issued when very high temperature or humidity conditions are expected to pose an elevated risk of heat illnesses,” Environment Canada said in its updated warning.<\/p>\n Signs of heat stroke can include red and hot skin, dizziness and nausea.<\/p>\n