What to Do

Follow this link for a list of places you can go to stay cool.

Extremely hot weather and humidity can be very dangerous. When a heat alert is called you need to:

  • Drink plenty of water.
  • Go to an air conditioned place. Those looking for a place to go can call 211 or see places to stay cool.
  • Wear a hat and lightweight loose-fitting clothing.
  • Take a cool bath or shower.
  • Limit outdoor activities to the coolest part of the day.
  • Check on your neighbours and family.
  • Never leave children or pets alone in closed vehicles.
  • If you feel ill, faint, have difficulty breathing, or feel disoriented, visit your doctor or nearest hospital right away. In an emergency, call 911.

Extreme heat increases the chance of getting sick from illnesses like heat stroke, heat exhaustion, fainting, edema, rash, and cramps. Visit Health Canada for more information about heat health illnesses.

We also advise residents and visitors to keep a close eye on family, friends, and neighbours that are at higher risk of heat health illnesses. Those particularly vulnerable include, older adults, infants, young children, people with chronic illnesses, the homeless population, and those who work or exercise in the heat.

How to Help

When the Health Unit calls a heat alert, you need to be careful and take steps to protect yourself and others who might develop problems because of the extreme heat:

  • Stay informed about the local weather so you know when to take extra care.
  • Visit family members and neighbours who could be at risk.
  • Pay attention to how you and others feel and watch for symptoms of heat illness.
  • Visit Health Canada for more information about heat health illnesses.


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The Windsor-Essex County Health Unit is monitoring the Humidex forecast for extreme heat events. The Humidex is a combination of temperature (°C) and humidity (%) to reflect perceived temperature.

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Level 1
One or more days reaching Humidex 40

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Level 2
Four or more days reaching Humidex 40
One or more days reaching Humidex 45
Four or more nights above Humidex 28

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Level 3
A heat emergency is issued in response to a severe or prolonged emergency, such as power outages or water shortages.


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