TGIF will take on a cooler meaning this week.
Friday is the day when we are expected to get some relief from the heat wave.
Environment Canada continued to issue a heat warning for Eastern Ontario today, when humidex values are expected to reach 43.
The extreme heat will continue through Thursday.
Temperatures today and Thursday are once again forecast to climb into the low to mid 30s.
Humidex values will also increase, reaching values of 40 both days.
Overnight low temperatures are expected to be in the low 20s, and high teens in some rural areas.
A cool down is expected by Friday with the passage of a cold front. Never leave people or pets inside a parked vehicle.
Extreme heat affects everyone. The risks are greater for young children, pregnant women, older adults, people with chronic illnesses and people working or exercising outdoors.
Watch for the effects of heat illness: swelling, rash, cramps, fainting, heat exhaustion, heat stroke and the worsening of some health conditions.
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.