Environment Canada issued a freezing rain warning on Saturday for much of southern Quebec, including the Montreal area.
The agency warned of an extended period of freezing rain.
WATCH: STM bus drivers work together during freezing rain, snow in Montreal
Regions north of the St. Lawrence River can expect between 5 and 15 millimetres of freezing rain, while south of the river, precipitation is expected to vary between 2 and 4 millimetres.
Officials are reminding residents to exercise caution during their travels, as highways, roads, sidewalks and parking lots will become icy and slippery.
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Environment Canada said freezing rain warnings are issued when rain falls in sub-zero temperatures leading to ice build-up and icy surfaces.