The hot and humid weather blanketing the London region has resulted in a heat warning from Environment Canada.
Forecasters say temperatures are expected to reach 31 degrees tomorrow and Thursday with overnight lows hovering around 20 degrees.
The warning covers London, Parkhill, Strathroy, Komoka and east and west Middlesex County.
The warning also includes the Golden Horseshoe and stretches down to Elgin County, Windsor Essex Chatham-Kent, and Sarnia Lambton.
People are being advised to keep out of the heat and to drink plenty of liquids, especially water.