UPDATE: The winter weather travel advisory was lifted just before 9 a.m. Wednesday.
Environment Canada has issued a winter weather travel advisory for London, Parkhill, and Eastern Middlesex County due to lake effect snow and the possibility of it changing to a mix of rain and snow.
The national weather agency issued the advisory just before 5 a.m. Wednesday, saying that lake effect snow was already occurring with 2 centimetres of accumulation possible locally.
The snow is expected to either ease off as the morning continues or change to a mix of rain and snow.
Motorists are advised to be prepared to adjust their driving to changing road conditions and consider postponing non-essential travel until conditions improve.
Environment Canada is forecasting a high of 6 C on Wednesday with an overnight low of -5 C.
As of 7:30 a.m. Wednesday, a temperature of 0 C, or -2 with the wind chill, and light snow were observed at the London International Airport.