Environment Canada issued a snowfall warning late Monday morning, indicating that a snowfall with an accumulation of 15 to 20 centimeters is expected in Laval and a wide area east and west of the Montreal region on Tuesday.
According to the federal weather service, snow will develop Tuesday morning and will persist through the evening.
There may be a significant impact on rush hour traffic in urban areas.
The agency suggests motorists should be prepared to adjust their driving with expected changing road conditions.