Multi-day heat event begins Sunday.WhatDaytime high temperatures of 30 to 34 degrees Celsius.Humidex values of 38 to 42.Nighttime low temperatures of 20 to 23 degrees Celsius, providing little relief from the heat.When:Sunday through Tuesday.Additional information:The hottest conditions are expected on Monday.During times of high heat, your health and the health of your family and friends can deteriorate rapidly.The Ministère de la Santé et des Services sociaux du Québec, in cooperation with Environment and Climate Change Canada, recommends that you protect yourself from the effects of the heat by taking the following actions:Drink 6 to 8 glasses of water per day even before feeling thirsty. As appropriate, follow your physician's instructions regarding the amount of fluid to drink;Avoid alcoholic beverages or caffeine; If you can, spend at least 2 hours a day in an air conditioned or cool place;Take at least one cool shower or bath per day, or cool your skin several times per day with wet towels;Limit physical activities;Wear light clothes.Be sure to:Never leave a child or a baby alone in a vehicle or a poorly ventilated room, even for a few minutes;Check on and be ready to help your loved ones, especially those who are vulnerable, disabled, mentally ill or live alone.Remember that heat can also affect the health of pets.If you have any questions regarding your health, call Info-Santé by dialling 8-1-1 or ask a health care provider. In case of an emergency, call 9-1-1.For more information, see the Portail santé mieux-être du gouvernement du Québec at www.sante.gouv.qc.ca/en.###For more information: https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/how-protect-yourself.html https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/who-is-at-risk.htmlPlease continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #QCStorm.