Southern Ontario could spend part of the weekend sweeping away snow if a storm approaching the Great Lakes region stays on track.
We’re watching the potential for some accumulating snow across parts of southern Ontario as a system approaches the region Saturday night into Sunday.
A trough swinging across the northern United States will spin up a small, fast-moving low-pressure system as it reaches southern Ontario. This disturbance will meet cold air already parked over the region, allowing for precipitation to begin as snow on Sunday morning.
Forecasters expect the snow to continue through the day on Sunday, tapering off as the system pulls east into the evening hours.
Temperatures will rise above freezing across southwestern Ontario, likely limiting accumulations to a dusting at best before snow mixes with rain or changes over altogether.
The latest trends are showing colder temperatures for the rest of southern Ontario, though, which beefs up the potential for accumulating snow to creep into the Greater Toronto Area (GTA).
We could see 5-10 cm of snow through the day on Sunday from Highway 6 east toward Kingston, including communities across the northern GTA, Barrie, and stretching almost to Bancroft. Elsewhere, widespread totals of 2-5 cm are possible by the time the snow ends Sunday.
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 traveling 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.
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Check back for the latest on the snow potential across southern Ontario.