Toronto’s Medical Officer of Health has issued an Extreme Cold Weather Alert warning  of temperatures of -15°C or colder, or a wind chill of -20°C or colder.

 

Extreme Cold Weather Alerts may also be issued when the forecast includes factors that increase the impact of cold weather on health. These include precipitation, low daytime temperatures, or several days and nights of cold weather in a row.

Meantime, Environment Canada is warning of snowfall in the 5 to 10 cm range.

The weather office says a cold front and an associated weak low are expected to move slowly across Southern Ontario today. The frontal zone is forecast to become active bring snow beginning this afternoon over portions of the Golden Horseshoe and continue until tapering off tonight.

Motorists and commuters should plan for accumulating snow for the Monday afternoon commute.