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Heat Wave Brings Heat Warning to Toronto and Southern Ontario

Strategic Insights

— 2 min read

As the weekend approaches, Toronto and much of southern Ontario are bracing themselves for another heat wave, with a heat warning in effect until at least next week. The heat is expected to peak on Saturday, with temperatures soaring to as high as 32 C, while the humidex will push the feeling of the heat to a sweltering 41. While there may be some relief with scattered showers, the rain will be a welcome respite from the blistering heat.

Key Takeaways:

  • The heat warning took effect late Friday morning and is expected to last until at least next week, with Environment Canada predicting temperatures to stay near 30 C with humidity pushing them higher.
  • The heat is expected to peak on Saturday with a shift in the weather pattern not coming until Thursday, with a 30 per cent chance of morning rain giving way to clear skies by late afternoon.
  • The humidex is expected to reach a sweltering 41 on Saturday, with the low dropping to 20 C by nighttime and a 40 per cent chance of showers.
  • Temperatures will remain near 30 C on Sunday, with a 60 per cent chance of showers throughout the day and a high of 18 C.
  • Environment Canada is reminding people to watch for signs of heat exhaustion, which include headaches, nausea, dizziness, thirst, dark urine, and intense fatigue.
  • Residents are advised to use air conditioning or a fan, drink water often, plan activities for the coolest part of the day, and wear light, loose-fitting clothing to stay cool.
  • Heat stroke, a medical emergency, can be identified by red and hot skin, dizziness, nausea, confusion, and a change in consciousness, and requires immediate medical attention.

Statistics:

  • The heat warning is expected to last until at least next week, with temperatures staying near 30 C.
  • The heat is expected to peak on Saturday, with the humidex reaching a sweltering 41.
  • The low temperature is expected to drop to 18 C on Sunday, with a lingering chance of rain.
  • 720 public cool spaces in Toronto are available for residents to beat the heat, according to the city's interactive cool spaces map.
  • 19 public Toronto pools closed for between 45 minutes and nearly five hours during record-high temperatures on the weekend of June 21-22.
  • Temperatures are expected to stay near 30 C throughout the weekend, with scattered showers providing some relief from the heat.

Sources:

  • Environment Canada (no specific date mentioned)
  • Toronto Star (June 24)

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