Residents should take precautions to stay safe and healthy during hot weather
BRAMPTON, Ont. – June 20, 2025. The first heat warning of the season for Peel region is forecast for June 22, 2025. Peel Public Health wants to remind residents how to stay safe during the warm weather months and avoid heat-related illnesses, including heat stress, heat exhaustion and heat stroke.
Peel’s Medical Officer of Health issues heat warnings following notification from Environment and Climate Change Canada that the following thresholds have been reached:
- Daytime maximum temperatures are expected to reach 31 C or higher and overnight temperatures are 20 C or higher
OR
- Humidex values are expected to reach 40 C or higher.
If a heat warning lasts 3 or more days, an extended heat warning will be issued.
During high-temperature conditions, residents should take measures to stay cool, hydrated, and pay attention to how they and those around them are feeling. Check in on family and neighbours who may be at higher risk
Be aware of the following signs and symptoms of heat illness:
- High body temperature
- Skin rash
- Muscle cramps
- Dizziness or fainting
- Nausea or vomiting
- Heavy sweating
- Headache
- Rapid breathing and heartbeat
- Extreme thirst
- Dark urine and decreased urination
- Confusion and lack of coordination
If residents experience any of these symptoms during extreme heat, they should immediately move to a cooler place and drink water.
The following are signs and symptoms of heat stroke. Heat stroke is a medical emergency. Call 911 or your local emergency number immediately.
- High body temperature
- Lack of coordination and confusion
- Dizziness or fainting
- No sweating, but very red, hot skin
Those at higher risk of experiencing heat-related illness include older adults, infants and young children, individuals with chronic illness and people who work outdoors.
Keeping cool in extreme heat
There are places across the region where residents can go to keep cool. See your local municipality’s website for information on how to respond to heat, including locations of cooling centres, splash pads, pools, libraries and community centres.
Peel Region’s website has information on the status of public beaches in Peel.
Stay cool when it’s hot outside with these tips:
- Drink water regularly, even before you’re thirsty
- Wear lightweight, loose-fitting clothing and a wide-brimmed hat while outdoors
- Avoid direct sun exposure
- Plan any outdoor activities according to the weather conditions
- Take a cool shower or apply a cool, wet towel to the back of your neck
Resources:
Drop-in and homeless support programs – peelregion.ca.
https://peelregion.ca/health/protecting-your-health/hot-weather-heat-warnings
https://www.canada.ca/en/environment-climate-change/services/weather-health/uv-index-sun-safety.html