An uncertain holiday forecast across Eastern Canada
Back east, December has seen numerous snowy clippers track south of Ontario and Quebec. This storm track will change in the days to come.
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Incoming clippers are expected to track through Lake Superior, bringing snow to the north but liquid precipitation and periods of thaws in the south that will chip away at the existing snowpack.
Forecast confidence is low for a white Christmas for communities south of the 401, including Toronto, Hamilton, and east toward Kingston. Windsor now has a zero per cent chance of a white Christmas,
A healthy snowpack in the traditional snowbelts, as well as across northern Ontario, will deliver these regions a high or 100 per cent chance of at least 2 cm of snow on the ground Thursday morning.
We’re watching that low-pressure system as it moves east. Snow is possible in eastern Ontario and southern Quebec by Tuesday and Wednesday, increasing the odds of a white Christmas in Ottawa (high), Montreal (high), and along the St. Lawrence, including Quebec City (high).
Folks in Atlantic Canada will have to closely watch that same storm’s track to determine who will see a snowy or snowless Christmas morning throughout the region.