The Regional Municipality Of York


York Region issues extended heat warning

Take extra precautions as prolonged heat events can have greater impact on health

Newmarket – The Regional Municipality of York is issuing an Extended Heat Warning as a result of Environment Canada’s continued heat warning for York Region. Environment Canada has indicated these conditions should improve by Thursday, August 30, 2018.

Everyone is at risk from extreme heat, especially older adults, infants and young children, people who work or exercise in the heat and those with certain medical conditions. Prolonged heat events can increase these health risks. Warning signs of heat-related illness include dizziness, headache, nausea or vomiting, weakness and confusion. If you experience any of these symptoms seek immediate medical attention.

Heat-related illnesses are preventable

Staying cool, hydrated and reducing outdoor physical activity are the best ways to beat the heat during hot and humid weather.

Find ways to stay cool

  • Stay indoors in cool, well-ventilated areas
  • Wear loose-fitting, light-coloured clothing made of breathable fabric
  • If you do not have air conditioning in your home, go to places that do, including shopping malls, local libraries, public pools and community centres
  • When using fans, keep a window or door open to bring in cooler air from outside
  • Never leave people or pets inside a parked vehicle or in direct sunlight
  • Visit your local municipal website for more information on where you can stay cool in your area

Drink extra fluids

  • Increase your fluid intake regardless of your activity level
  • Drink plenty of water before you feel thirsty; York Region's tap water is an environmentally-friendly way to stay hydrated, it’s high-quality, safe, clean and affordable
  • Bring your reusable water bottle with you wherever you go

Reduce physical activity, especially in the full sun

  • Reschedule or plan outdoor activities during cooler parts of the day
  • Reduce sun exposure between 11 a.m. and 4 p.m. and when the UV Index is reported to reach three (moderate) or higher
  •  If you need to be outdoors in the heat, rest frequently to allow your body temperature to cool down
  • Avoid sun exposure by wearing a wide-brimmed, breathable hat or use an umbrella
  • Wear sunscreen with SPF of 30 or higher

For more information on this extended heat warning, please visit or contact York Region Health Connection at 1-800-361-5653 or TTY 1-866-512-6228.

The Regional Municipality of York consists of nine local cities and towns, and provides a variety of programs and services to 1.2 million residents and 51,000 businesses with 620,000 employees. More information about the Region’s key service areas is available at

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Media Contact:
Patrick Kasebzarif, Community and Health Services, The Regional Municipality of York
Phone: 1-877-464-9675, ext. 72160 Cell: 289-231-5684

Extended heat warning The Regional Municipality of York en-US Media Release