Environment Canada has ended a heat warning for all of southern Ontario.
The weather agency issued the warning on Tuesday due to expected high temperatures and humidex values. Temperatures climbed into the low 30 C range the last few days, with the humidity making it feel closer to 40 C.
The alert was in effect for Windsor-Essex, Chatham-Kent, London-Middlesex, Sarnia Lambton and parts of Midwestern Ontario.
The warning was ended on Thursday around 7:40pm.