Coating of snow will create slippery, tricky travel in southern Ontario – The Weather Network

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Saturday, December 10th 2022, 7:55 pm – A trough moving toward southern Ontario this weekend could lead to a snowy Sunday morning across the region.

Get ready to add a few minutes to your travel times if you’re heading out on Sunday as a new round of snow makes its way toward southern Ontario. While it won’t be a memorable snow by any means, even a thin coating of snow is enough to make for dangerously slick travel.

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A disturbance moving across the Great Lakes will trigger a batch of snow across southern Ontario beginning late Saturday night and lasting through the day on Sunday.

Most of the precipitation will fall as snow as temperatures will hover around or below freezing for much of the event.

Warmer temperatures in southwestern sections, from Windsor to London and along Lake Erie, will force snow to mix with rain or change over to all rain, limiting accumulations in these areas.

Due to the east wind off of the lake, some locations within the Golden Horseshoe may see a bit of enhanced snowfall, especially on the west end of Lake Ontario.

The heaviest snow is likely to fall Saturday overnight and Sunday morning.

Locations along and north of the Highway 401 corridor, extending up to Barrie, southern Georgian Bay and the east end of Lake Ontario, could see between 5-10 cm of wet snow. Along the lakeshore and within the Greater Toronto Area (GTA), a few cm is possible with locally up to 5 cm on the table.

Snowfall will taper off to flurries through Sunday afternoon as the system tracks out of the region.

This isn’t a lot of snow by any means, but a thin coating of snow on roads and sidewalks can make these surfaces exceptionally slick. Use extra caution while travelling across areas where snow sticks to the ground.

Any snow that sticks won’t stick around for very long, however. Temperatures will rise around or just above freezing across southern Ontario heading into next week, melting any accumulated snow. Sunshine returns on Monday.

We’re watching the progress of a potent Colorado Low that could bring blizzard conditions to parts of the Prairies by the middle of next week. This storm may influence the development of a new system that could throw a wrench in Ontario’s forecast by the end of the week.

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Check back for the latest on the snow potential across southern Ontario.

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