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After an active weekend that featured periods of snow squall activity across portions of Southern Ontario’s snowbelt, conditions are expected to steadily improve later Sunday evening as the lake effect weakens and winds begin to ease.

Because of this, there are no major weather concerns expected overnight that would normally keep school buses off the roads on Monday. Most regions should see calmer conditions by the time the morning bus run begins.

That said, we cannot completely rule out a few isolated cancellations tied to lingering blowing snow and rural roads that may remain snow covered following Sunday’s squalls. Any issues would be highly localized and mainly confined to areas that saw the most persistent snowfall.

If cancellations do occur, they would most likely be found in Huron County under the Avon Maitland District School Board, Middlesex County within the Thames Valley District School Board, and Lambton County for the Lambton Kent District School Board.

We have assigned these regions a 25 percent chance of a snow day on Monday to account for the potential for rural route issues. Widespread cancellations are not expected.

Elsewhere across the snowbelt, we have maintained a low to very low chance simply to account for the outside possibility of a surprise decision.

If a surprise cancellation does occur outside of the regions mentioned above, the most likely candidate would be the Near North District School Board. Some light snow and lake effect activity may redevelop there later in the day, and this board has a history of being proactive when Environment Canada issues alerts. If any alerts are in place by early Monday morning, some cancellations are possible.

For the rest of Southern Ontario, no school bus cancellations are expected on Monday. So for now, it looks like homework is back on the menu.

Disclaimer: Instant Weather has zero authority when it comes to bus and school closures.

It is completely up to the school boards, bus companies, local authorities, and parents to decide what is best for their children. This is our best guess based on our forecast.