Cold northwesterly winds sweeping across Ontario set the stage for potent snow squall development through the day Sunday. Snow squall warnings are in effect for some snowbelt communities downwind from Lake Huron and Georgian Bay.

DON’T MISS: BEWARE THE DANGERS OF FALL SNOWSTORMS ACROSS CANADA

Expect significant travel impacts in those areas, especially near London and Barrie, situated in the two main bands. Road closures are a possibility, so consider changing travel plans into Monday.

[Ontario highway travel Sunday to Monday/snow zones] Ontario highway travel Sunday to Monday/snow zones

Drivers should remain aware of rapidly changing conditions over short distances. Visibility can change from clear to a whiteout when approaching a snow squall.

SNOW SQUALLS EXPECTED TO STAY THROUGH MO

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