Environment and Climate Change Canada (ECCC) issues Heat Warnings across Canada. A Heat Warning is issued for southern Ontario (including Toronto) when there is a forecast of two or more consecutive days with daytime maximum temperatures of 31°C or warmer, together with nighttime minimum temperatures of 20°C or warmer or when there is a forecast of two or more consecutive days with humidex values expected to reach 40 or higher.
To avoid duplication with the Heat Warnings issued by ECCC, Toronto Public Health will no longer issue these warnings to the public as they are already communicated broadly. Check ECCC’s website for information on your local forecast and weather alerts.
Environment and Climate Change Canada (ECCC) has launched a new mobile app called WeatherCAN. The app provides Canadians with access to reliable weather information directly at the tip of their fingers. Download WeatherCAN directly from the ECCC website.
The City of Toronto Hot Weather Response Plan is a protocol for hot weather response that aims to reduce the incidence of heat-related illness and death in Toronto due to extreme heat. The main focus of the plan is to provide education and services to vulnerable groups at increased risk for heat-related illnesses.