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A powerful pattern shift is bringing cold, Canadian air to Ohio and the Great Lakes region.

Northern Ohio could see its first lake-effect snow of the season this weekend into early next week.

La Niña has officially developed, which could lead to colder temperatures and above-average snowfall in northern Ohio.

A weakened polar vortex, influenced by other climate patterns, may also push frigid Arctic air farther south this winter.

A powerful weather pattern shift is on deck , bringing the first blast of winter to the Great Lakes region, including Ohio.

This system will pull cold air from Canada into the state, setting the stage for the season’s first widespread freeze events and early winter conditions.

The Climate Prediction Center warns of potential early-s

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