KFL&A Public Health Issues Heat Warning

Posted On Monday July 20, 2020

For immediate release

Friday, July 17, 2020


KFL&A Public Health Issues Heat Warning


KINGSTON–  Due to high temperatures and humidex levels Environment Canada has issued a heat warning for Saturday, July 18, 2020 through to Sunday, July 19, 2020 and possibly continuing overnight into Monday.  A combination of heat andhigh humidity can be hazardous to your health. Conditions during high heat and humidity have the potential to cause dehydration, heat exhaustion, heat stroke and in some cases death.

This warning is in effect for all areas within Kingston, Frontenac and Lennox & Addington Counties. 

A heat warning is issued by Environment Canada for the KFL&A area when the forecasted maximum temperature is expected to be greater than or equal to 31°C and the lowest night-time temperature is anticipated to be at or above 20°C for a period of 2 days or longer. A warning will also be issued if the anticipated humidex is 40°C or warmer for a period of 2 days or longer.


Humidex values describe how the hot and humid weather feels to the average person. It combines the temperature and humidity readings into one number to reflect the perceived temperature. The higher the humidex, the harder it is for perspiration to evaporate to cool the body.


During heat events everyone is at risk; however, the health risks are greatest for:


  • older adults,
  • infants and young children,
  • people with chronic illnesses or who take certain medications,
  • people who work or who exercise in the heat, and
  • people without access to air-conditioned spaces.


Being prepared is key to protecting communities from negative health impacts.  KFL&A Public Health recommends taking the following actions to stay cool:


  • Drinking plenty of cool liquids, especially water, before feeling thirsty.
  • Avoiding direct sun exposure, for example, by sitting under a tree, wearing a wide-brimmed, breathable hat, or using an umbrella.
  • Taking a break from the heat by spending a few hours in a cool place; take cool showers.
  • Rescheduling strenuous outdoor activity or planning outdoor activities during cooler parts of the day.
  • Wearing loose-fitting, light-coloured clothing made of breathable fabric.
  • Blocking the sun out by closing awnings, curtains or blinds during the day.
  • Never leaving people or pets in your care inside a parked vehicle or in direct sunlight.


KFL&A Public Health encourages people to telephone or virtually check on, friends, and family members, especially those who are chronically ill, and those at higher risk, to make sure that they are cool and hydrated.


More information on protective measures can be found on KFL&A Public Health’s website www.kflaph.ca

For more information, contact:


Jenn Fagan

Communications and Public Relations Specialist

Phone: 613-549-1232, ext. 1107

Toll-Free: 1-800-267-7875
Fax: 613-549-7896


KFL&A Public Health

221 Portsmouth Avenue

Kingston, Ontario  K7M 1V5