Heat warning continues Tuesday, 'most significant heat event' in years

Record-breaking heat in the forecast as Canada Day weekend gets underway

Record-breaking heat in the forecast as Canada Day weekend gets underway

Record-breaking temperatures are in the forecast today as the Canada Day weekend officially gets underway.

The cool down will be short lived, as heat and humidity will return on Tuesday and persist through most of this week.

The Canadian weather agency issues heat warnings "when very high temperature or humidity conditions are expected to pose an elevated risk of heat illnesses, such as heat stroke or heat exhaustion".

In an updated weather statement issued Monday morning, Environment Canada said that a cold front forecasted to pass through the province should bring relief to the heat wave, lowering overnight temperatures into the high teens for the next two days.

The extreme heat event will continue through Thursday.

"A cold front will usher in a slightly cooler air mass for (Monday)". However, the daytime highs are still expected near 30 and overnight lows in the high teens. Daytime temperatures will again be near 30 degrees, with humidex values in the mid 30s.

Thursday's outlook is mixed skies and a high of 34 C. There's a 60 per cent chance of overnight showers and a low of 22 C.

Toronto's medial officer of health has also issued a heat warning for the city.

The Salvation Army was out at Gore Park handing out bottles of water reminding people to heed the warnings and protect themselves, and police have already received a number of calls including one on Appleby Line and Upper Middle Road in Burlington where they rescued a dog from a hot vehicle where the temperature was 66 degrees.

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