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Environment Canada has updated its heat warning, originally issued Monday, for North Bay and surrounding areas.
A two-day heat event continues today.
High temperatures today will be near 29C but cooler air is expected to arrive tonight.
Hot and humid air can also bring deteriorating air quality and can result in the Air Quality Health Index approaching the high-risk category.
Heat warnings are issued when very high temperature or humidity conditions are expected to pose an elevated risk of heat illnesses, such as heat stroke or heat exhaustion.
Extreme heat affects everyone, reminds Environment Canada. The risks are greater for young children, pregnant women, older adults, people with chronic illnesses and people working or exercising outdoors.
A heat warning is issued when two consecutive days are forecasted to have a daytime high temperature greater or equal to 29C and a nighttime temperature greater or equal to 18C, or a humidex greater than 36C.
According to the North Bay Parry Sound District Health Unit, symptoms of heat-related illness may include rapid breathing, dizziness or fainting, vomiting, rapid heartbeat and extreme thirst. If anyone has these symptoms, cool them off as soon as possible by moving them to a shaded or air-conditioned area, have them drink plenty of fluids, and rest. Contact their health care provider, a family member or a friend.
Heat stroke is considered a medical emergency. If you see someone who has a high body temperature, is unconscious, confused or has stopped sweating, call 911 immediately.
Do a daily check on friends, family and neighbours who may be vulnerable. They may be prone to overheating and may need help keeping cool or taking other preventative actions.
