Morning commuters are being advised of dense fog, covering parts of southern Ontario.
Environment Canada issued a fog advisory early Saturday morning for Sarnia-Lambton, Chatham-Kent, and Windsor-Essex. The advisory ended shortly after 9:30 a.m.
The fog advisory for London-Middlesex, Elgin County, and Oxford County ended at 10:55 a.m.
The fog is expected to dissipate later Saturday morning.
The national weather agency advised that travel may be dangerous at times as visibility may be significantly and suddenly reduced to near zero.
If visibility is reduced while driving, motorists are reminded to turn on their lights and maintain a safe following distance.
