More than 10 centimetres of snow fell at Montreal's Trudeau airport, and the accumulation has made roads around the province quite slippery. Drivers are encouraged to be careful on the roads.

Forecasters are monitoring the progress of an Alberta clipper sliding into the Great Lakes from the west. This system will tap into enough moisture to produce widespread snowfall throughout southern Quebec as it tracks northeast.

A heavy snowfall that began Monday night has guaranteed much of Quebec a white Christmas, but has also sent cars skidding off the province's roads during the busy holiday travel period.