A general 15 centimetre snowfall is expected along the 401 corridor. Snow developed over southern Ontario Monday night.

Toronto - A general 15 centimetre snowfall is expected along the 401 corridor.

Snow developed over southern Ontario Monday night.

While snowfall amounts for most areas will be near 15 centimetres places near eastern Lake Ontario could see amounts up to 20 centimetres.

Brisk northeast or northerly winds will cause occasional blowing snow for many regions.

Snow will gradually taper off Tuesday afternoon over most of southern ontario. However, the improvement is not expected to reach eastern Ontario until Tuesday night.

Cold Arctic air will move into all regions Tuesday night and Wednesday.