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| Santa may have trouble landing the sleigh in rain across Ontario and Quebec this Christmas Eve. (TWC Image) |
A warm front approaching the St. Lawrence Valley early this morning is producing a wide area of light snow and freezing rain from Kingston across upstate New York and into southern Quebec and the Ottawa Valley. Light snow and sleet are falling in Montreal with slippery roads and a current temperature of -4C (25F).
Warnings are in effect for 2mm to as much as 10mm of frozen precipitation throughout the day in Quebec, enough to make travel very icy. Already this morning Highway 401 east of Kingston, Ontario is closed due to a crash, traffic is at a standstill according to MTO cameras. If you can wait to travel today, best to do so at least until late afternoon when temperatures should warm above freezing south and west of Montreal. It will take longer northeast of Montreal, likely into the overnight hours to warm up. By Christmas Eve everybody should be above freezing as a second more intense storm arrives in western Quebec.
This second storm, developing along the Gulf Coast, will send a surge of mild air and deep moisture north Wednesday into early Christmas Day. Montreal and most of eastern Ontario can expect a decent rainstorm with over 25mm (1 inch) of rain and winds increasing out of the west to over 50km/h. Temperatures may approach record high values in some parts of eastern Ontario and southwest Quebec Christmas Eve and Day. Look for highs to rise through 0C (32F) today up to between plus 7C and 10C (45 to 50F) Wednesday. There may even be a rumble or two of thunder Christmas Eve, just to add to the odd weather. On Christmas Day look for clouds along with a shower and mild highs of 5C (41F). A cold front may produce some flurries along with colder weather into Boxing Day. It will become very windy as well.
Winter enthusiasts don't despair, it looks like much colder and snowier weather to end the year, more on that later.
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