Like an unwelcome guest, freezing cold conditions have returned to our area.
The Windsor-Essex Health Unit and the Chatham-Kent Public Health Unit have issued cold alerts.
Environment Canada is forecasting the temperature to dip to -15 Celsius overnight.
Health officials remind people prolong exposure can cause health problems.
The most common are hypothermia and frostbite.
Warning signs include - shivering - exhaustion - confusion - memory loss and numbness.
They suggest preparing for the extreme cold with survival kits for the car and home.