Toronto – Extreme Cold Weather Alert

Weather Alert
Cold Weather
Cold Weather Alert

Seek Shelter, Check on Loved Ones

TORONTO – WEATHER – The City of Toronto has declared an Extreme Cold Alert. These alerts are issued in the city when conditions are cold, and put in place protocols to ensure that those most vulnerable are safer.

Based on information from Environment Canada, Dr. David McKeown, Toronto's Medical Officer of Health, has issued an Extreme Cold Weather Alert today for Toronto that will be in effect until further notice. 

Exposure to cold weather can be harmful to your health. Hypothermia occurs when the body's core temperature drops below 35°C and can have severe consequences, including organ failure and death. Frostnip and frostbite can also occur in cold weather when skin freezes. 

During extreme cold weather, residents are encouraged to call or visit vulnerable friends, neighbours and family to ensure they are not experiencing any difficulties related to the weather. Those most at risk of cold-related illness are people who work outdoors, people with a pre-existing heart condition or respiratory illness, those taking certain medications, infants and young children, and those who are homeless. People with heart problems can experience worsening of their condition up to several days after cold weather occurs. 

This alert triggers cold weather services for homeless people, including TTC tokens for people to get to shelter, increased street outreach, and a direction to shelters to relax any service restrictions in place. During January and February, two 24-hour extreme cold weather drop-ins are always available. More information about cold weather services is available at

During an Extreme Cold Weather Alert, members of the public are encouraged to take the following precautions: 
• Dress in layers, making sure your outer layer is windproof, and cover exposed skin. 
• Wear a hat, warm mittens or gloves, and warm boots. 
• Stay dry. Your risk of hypothermia is much greater if you are wet. 
• Choose wool or synthetic fabrics for clothes instead of cotton, because cotton stops keeping you warm once it gets wet. 
• People who normally spend long periods outside should seek shelter. Depending on the wind chill, exposed skin can freeze in minutes. 
• Avoid alcohol as it increases blood flow. You may feel warm even though you are losing body heat. 
• Consider rescheduling outdoor activities, or limiting time outdoors, especially if it's windy. 
• Keep home heating at 21ºC or warmer if babies or elderly people are present.

Toronto residents who see someone on the street who needs outreach assistance – which may include a shelter bed due to the cold temperatures – should call 311. For medical emergencies, call 911. 

More information and tips for staying warm during extremely cold weather are available at

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