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Updated: Tue, 26 Nov 2013 22:00:26 GMT | By CBC News, cbc.ca

Heavy snow expected east of Toronto

Braving the blustery winter weather in Ottawa. Sean Kilpatrick/Canadian Press

Braving the blustery winter weather in Ottawa. Sean Kilpatrick/Canadian Press

Southeastern Ontario is bracing for a blast of winter weather, while Toronto expects to see one of its first real snowfalls of the season.

About two centimetres of snow is expected to fall in the city, though Environment Canada says Oshawa, Whitby and Belleville could see as much as 10 to 30 centimetres. Snowfall warnings are in effect for much of southeastern Ontario, including Ottawa which is gearing up for as much as 25 centimetres of snow.​ 

Environment Canada is advising drivers to watch out for poor conditions on the roads.

"We're only expecting a few centimetres of snow into the downtown, south of the 401, because the lake is still quite warm — so a lot of this will mix out or melt out on contact," said CBC meteorologist Jay Scotland. 

The snow will hit the Toronto area mainly overnight and Wednesday morning. Temperatures are forecast to drop to -2 C Wednesday afternoon.

Peter Noehammer, the city’s director of transportation services, said mountains of salt and 200 trucks are standing by.

"We'll be out with our salters and the goal right now is to have our main roads good for Wednesday morning."

The province is also gearing up for winter conditions on the 400-series highways and the QEW. Inside the highway traffic command centre, operators watch hundreds of cameras for problems.

"If they see something happening they will focus the camera on the incident and then direct first responders and maintenance workers to divert traffic and keep it going," said Astrid Poei with the Ministry of Transportation.

Environment Canada has also issued snowfall and rainfall warnings throughout Quebec, forecasting up to 25 centimetres of snow to hit Montreal by Wednesday morning. Some areas in eastern Quebec may see up to 80 millimetres of rain.

The storm is making its way through the eastern U.S. and could cast a shadow on travel plans for those heading south for American Thanksgiving. Anyone flying on Wednesday should double-check with their airline.

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