3:00 PM update for southern Ontario.....
Steady precipitation has ended for most of southern Ontario with just spotty rain, freezing rain and sleet.
A second, heavier batch of precipitation will advance NNE into southern Ontario late this evening, reaching the GTA in the 11pm to 12am range.
Temperatures have actually risen in some areas as the precipitation has diminished, but when this next batch comes in later this evening it may drop just a bit, resulting in many areas away from the lake and north of a London to Hamilton line getting into a steady freezing rain that could last much of the rest of the night.
Most of the sleet tonight will be shifted north into the Barrie to Parry Sound region.
Most roads are now just wet across southern Ontario and I expect the treated main roads to stay wet through the night. It's the secondary roads, bridges and overpasses that concern me.
It appears that the worst icing will run from the Kitchener/Orangeville area to along and north of the 407 up into Newmarket and Uxbridge overnight into early Friday morning before it tapers off and temperatures rise above freezing.
I think temperatures should be just warm enough in the St. Catharines area and right along the lakefront to downtown Toronto for mostly plain rain.
Previous post from earlier today.......
Here is our latest thinking for the storm currently moving into eastern Canada. The map shows expected snowfall through Friday night. There will be additional snowfall Saturday across eastern Quebec, New Brunswick and perhaps PEI.
Already, we have seen anywhere from 2-5 cm of sleet/snow in and around the Greater Toronto area this morning with mostly freezing rain to the south and right along the lakeshore. Sleet will gradually transition to more of a freezing rain event around the GTA as we head toward the evening.
Freezing rain will continue to be an issue into tonight around most of the GTA, while temperatures should stay just above freezing right along the immediate lakeshore, leading to mostly wet conditions there.
If you have any questions feel free to post a comment below or post it to my twitter...@BrettAWX
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Snow and ice storm followed by bitter cold into the weekend for the east.
Major ocean storm to impact Atlantic Canada starting Thursday with the potential for a blizzard over New Brunswick.
Arctic air to have a stranglehold on much of Canada through the first week of January.
It looks like a white Christmas for much of Canada.