Ontario is bracing for a blast of winter weather this week, with forecasters warning of significant snowfall across the north and lake‑effect squalls set to hammer southern regions as November draws to a close.

What to expect in southern Ontario. Will the GTA escape the snow?

While the system’s core will remain to the north, southern Ontario won’t escape its reach.

By Thursday, a release of Arctic air will funnel across the Great Lakes Basin, dropping temperatures and fueling strong winds of 60–80 km/h. Those gusts are expected to push lake‑effect snow squalls into the snowbelts downwind of Lake Huron and Georgian Bay, with forecasters warning that even the Greater Toronto Area (GTA) could see bursts of heavy snow.

Travel through the snowbelt regions on Thursday and Friday could be tre

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