Environment Canada has issued another advisory with widespread fog expected to reform throughout southwestern and Midwestern Ontario overnight.
The weather agency says the fog will develop Sunday night and continue into Monday morning.
Drivers should be wary as visibility may be significantly and suddenly reduced to near zero during this time.
The fog advisory is currently in effect for Windsor-Essex, Chatham-Kent, Sarnia-Lambton, London-Middlesex, as well as Grey, Perth, Huron, Wellington and Southern Bruce counties.
