Scorching temperatures and humidex advisories stretch from southern Ontario to the Maritimes today, with some areas feeling like it's over 40 for the second straight day.
"We are looking at very muggy, very warm conditions for much of the eastern half of the country," CBC meteorologist Jay Scotland said Tuesday.
Southern and eastern Ontario and southern Quebec will have humidex values around and in excess of 40, Scotland said, with slightly cooler but still hot and muggy weather in parts of New Brunswick and southern Nova Scotia.
Montreal, Toronto and Ottawa are seeing highs of 31 C, 33 C and 34 C, respectively, with temperatures feeling over 40 with the humidex. The humidex in Windsor, Ont., had already hit 40 by 11 a.m. ET.
"This pattern is going to continue for the next few days, especially in central Canada,” CBC meteorologist Ross Hull said Tuesday afternoon.
Environment Canada issued a High Heat and Humidity Warning for parts of southern Quebec including Montreal, and Toronto's Medical Officer of Health upgraded the heat alert started Monday to an extreme heat alert.
"During an Extreme Heat Alert, call or visit family, friends and neighbours, especially isolated adults and seniors who are at greater risk of suffering from heat-related illness, to make sure they are OK," the city advises.
Given the humid conditions, pop-up thunderstorms are possible in both Quebec and Ontario, Scotland said.
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In the Maritimes, temperatures will go down slightly compared with Monday when temperatures ranged from the low to high mid-30s, including 36 C in Bathurst.
"Northern New Brunswick will see temps back down into the 20s today, but the southwest is still warm, with highs into the low 30's," Scotland said, adding that Nova Scotia will also be warm today, with Halifax hitting 29 C.
Scotland said he expects the heat and humidity to break by Saturday.
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