The heat warning was ended on July 17th at 4:45am.
Environment Canada has issued a heat WARNING for Hamilton this afternoon. A heat warning is issued if two or more consecutive days are forecast with daytime highs greater than or equal to 31°C and nighttime lows greater than or equal to 20°C or a Humidex of 40°C or greater.
A hot and humid airmass will affect the Golden Horseshoe Sunday and Monday. High temperatures are expected to be in the low thirties with humidex values near 40. Overnight temperatures will only drop to the low twenties.
A cold front will move through early Tuesday bringing an end to the heat.
Watch for the effects of heat illness: swelling, rash, cramps, fainting, heat exhaustion, heat stroke and the worsening of some health conditions.
Drink plenty of water even before you feel thirsty and stay in a cool place.
Seek a cool place such as a tree-shaded area, swimming pool, shower or bath, or air-conditioned spot like a public building.
Never leave people or pets inside a parked vehicle.
Source: Environment Canada