Environment Canada has issued a special weather statement as hot and humid conditions are expected to hit southern Ontario to start the work week.
In addition to London-Middlesex, the statement covers much of southern Ontario, from Windsor-Essex to York-Durham, though areas north of London will be a little bit cooler.
“High temperatures can be near 31 C and overnight low temperatures will be near 20 C, so it will still be hot,” said Weiqing Zhang, a meteorologist with Environment Canada.
“[This] is the first heat event for southwestern Ontario so we issued a special weather statement for this one-day heat event.”
Monday’s high is expected to reach 30 C before the humidex, with an overnight low of 20 C.
The rest of the week will still be hot but not dangerously so, said Zhang.
Zhang said temperatures are expected to cool off slightly by the end of the week
Meantime, Monday’s forecast has prompted a single-day heat alert from the Middlesex-London Health Unit. Heat alerts are issued when Environment Canada calls for a day-time high of 31 C or higher, or a humidex value of 40 C or higher.
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In the alert, the MLHU warn of health risks associated with heat. It explains that those suffering from heat illness may experience rapid breathing, weakness, fainting, headache or confusion.
MLHU’s alert will be lifted by Tuesday, when day-time highs are expected to stay below 30 C.
Environment Canada is warning that everyone is at risk from heat, but says infants and young children, older adults and people with chronic illnesses are especially vulnerable.
The weather reporting agency is reminding everyone to drink plenty of cool liquids and keep cool by dressing for the weather and spending a few hours each day in a cool place.
— With files from Jacquelyn Lebel
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