An area of low pressure will bring a significant storm to Ontario and Quebec beginning overnight tonight.
On Wednesday anywhere from 10 to 25 cm of snow is possible. There will also be blowing snow. The blowing snow will cause problems during the morning and evening commute.
An additional 10 to 15 cm of snow and blowing snow is expected on Thursday.
There could be 15 to 25 cm of snow, there is also a risk of freezing rain and rain which could bring down snowfall amounts. Regardless of the precipitation types, this system will have a significant impact on travel.
Snow is expected through Thursday morning in eastern Ontario.
On Thursday snow squalls are expected for areas southeast of Lake Huron and Georgian Bay. Accumulations of 10-20 cm are expected.
Heavy snow is expected for most areas with snowfall amounts of 15 to 25 cm expected. There will also be strong winds which will cause reduced visibility and blowing snow. Winds will be the strongest over the Gulf of St. Lawrence.
Over Southwestern Quebec Wednesday evening there is a chance the snow could change to freezing rain before changing back to snow on Thursday.
Snow will linger through Friday.