Too much heat can be harmful to your health. It can lead to weakness, disorientation, exhaustion, and in severe cases, it can lead to heat stroke. To learn more about heat-related illnesses, see HealthLinkBC File #35 Heat-related Illness.
A heat wave is 3 or more days in a row when the maximum temperature is 32°C (89.6°F) or more. Everyone has an increased risk for a heat-related illness during a heat wave. Extensive exposure to extreme heat can result in serious medical conditions such as heat cramps, heat exhaustion and heat stroke.
A heat-related illness can be more serious for:
Older adults, who may not notice excessive heat, do not sweat as effectively, or do not feel thirsty.