There is no high heat alert at this time.
A heat alert is issued in Niagara Region if one of the following happens:
- The humidex is at least 40°C or higher for two consecutive days
- or -
- Daily temperatures are expected to reach 31°C or higher for two consecutive days and
overnight temperatures are at least 20°C or higher for two consecutive days
To review your municipal emergency response plan, visit our emergency management page.
Risks During a Heat Alert
During excessive high heat, everyone is at risk, but those most at risk of developing a heat-related illness include:
- Infants and children
- People living in poverty and / or without permanent shelter
- People with high blood pressure, heart and / or respiratory problems
- People who work or exercise outdoors
Health Affects During A High Heat Alert
- Confusion, dizziness, nausea, muscle swelling, heat disturbance, headache, seizure, unconsciousness and / or coma
Heat stroke is a medical emergency and can be fatal. Seek immediate medical attention. Call 911 if you are caring for someone who has a high body temperature and is either unconscious, confused or has stopped sweating.
- Heavy sweating, weakness, dizziness, nausea, vomiting, fainting
Seek medical attention if you feel your health and safety is at risk.
Increased ultraviolet ray exposure from being outside for extended periods of time can put you at risk for developing sun burns, skin cancer, cataracts, eye lesions and retinal burns. Discover sun safety tips to reduce your risk for sun-related illnesses.
Protect Yourself During a Heat Alert
- Stay indoors in air conditioned buildings
- Plan outdoor activities during cooler parts of the day
- Rest often in shaded areas
- Never leave infants, children or pets in a parked car
- Drink plenty of fluids
- Dress in cool, loose clothing and shade your head with a hat or umbrella
- Take cool showers until you feel refreshed
Historical Data for High Heat Alerts