Environment and Climate Change Canada has issued a Heat Warning for Lambton County. Hot, humid weather is expected to arrive in the area Sunday.
The warning will remain in effect for at least two days.
In high temperatures and humidity, your body may not be able to cool properly which can lead to heat exhaustion or even heat stroke.
A heat warning is issued when two consecutive days are forecast to have a daytime high temperature greater than or equal to 31oC and a nighttime temperature greater than or equal to 20oC or a humidex greater than 40.