A low pressure system is moving across Southern Ontario and Quebec towards Eastern Canada. Snow started falling in Montreal early Wednesday morning.
Montreal and Southern Quebec
This system is carrying a lot of sub-tropical moisture which is resulting in freezing rain south of the border. For Southern Quebec, this will be a snow event with upwards of 30 cm possible before the system moves out on Thursday. Snowfall Warnings are still in effect for most of Southern Quebec.
Snow began falling in Yarmouth early Wednesday morning as the system moved into Atlantic Canada. The Maritimes will see a mix of snow and rain with the risk of freezing rain or ice pellets. Nova Scotia and Cape Breton will see mostly an icy mix for Wednesday evening changing over to rain overnight. For Thursday, the rain will change back to a rain / snow mix. PEI will get snow changing over to an icy mix until Thursday morning when it will change to a rain / snow mix.
Southern New Brunswick around Fredericton and northern PEI will see a mix of snow and rain with the risk of freezing rain or ice pellets throughout the day Wednesday and into the evening. Drivers should exercise caution as roads will be slippery.
Northern New Brunswick, Newfoundland and Labrador will see snow with up to 10 cm for Wednesday. The snow will intensify overnight into Thursday morning with accumulations closer to 25 cm.
Another system is developing south of the border which could bring more snow to Eastern Canada for the weekend.
Warnings are currently in effect for Newfoundland.