Fog Advisory IssuedApril 30, 2014 7:27pm
Environment Canada has issued a fog advisory for all of southern Ontario.
The weather agency says fog conditions are expected early Wednesday evening until early Thursday morning, with fog causing zero visibility for most of the night.
Environment Canada warns that travel may become hazardous due to reduced visibility.
The advisory is in effect for Windsor-Essex, Chatham-Kent, London-Middlesex, Sarnia-Lambton, as well as, Huron, Perth, Bruce, Grey and Wellington counties.