Snowfall event expected.What: Total snowfall amounts of 15 to 20 centimetres.When: From late Sunday to Monday evening.Additional information:Snowfall rates of 1 to 2 centimetres per hour are expected Sunday night. Powdery snow will be easily carried by winds resulting in reduced visibilities locally. Cold temperatures combined with snow will make surfaces slippery.###There may be a significant impact on rush hour traffic.Snowfall warnings are issued when significant impacts are expected due to snowfall accumulations.Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm.For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.