More snow sneaking into southern Ontario following last week’s winter storm

Following southern Ontario's most memorable snowstorm of the season, which brought hundreds of lightning strikes and thunder, parts of the province will see another round of snow to kickstart the work week.

Although this won't by any means be another blockbuster winter storm, some travel will be impacted through Monday across southern Ontario – particularly the west end of the Greater Toronto Area (GTA) and towards the southwest.


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The system is a relatively weak area of low pressure, meaning it won't be bringing epic snowfall accumulations with it, however, it does have the potential to drop a quick 5+ cm of wet snow to some cities, causing slick road conditions.

ON SNOW March 5 2023
ON SNOW March 5 2023

Timing

The system will move into the southwestern region of the province late Monday morning, bringing in snow with rain possibly in the mixture.

The snow will then make its way into the GTA and the western shores of Lake Ontario late Monday afternoon and into the evening.

ON TEMP March 5 2023
ON TEMP March 5 2023

There is currently some uncertainty in regards to the amount of snow that will accumulate across southern Ontario, as temperatures are forecast to hover around the freezing mark for the majority of the province. Temperatures will reach a few degrees above freezing around the Windsor and Chatham areas, so the precipitation will fall mostly as rain.

Areas around London and towards Hamilton are most likely to get the highest snowfall accumulations, possibly seeing around 5 cm.

WATCH: Thundersnow captured in Hamilton

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Toronto itself, as well as the east end of the GTA, will scrape by with less than a centimetre of snow.

The snow will wrap up during the overnight hours Monday and into Tuesday morning, leaving some gusty winds behind that could cause local blowing snow and flurries at times. The northwesterly winds will continue to pick up throughout the day Tuesday, gusting to 40-60 km/h.

ON WIND March 5 2023
ON WIND March 5 2023

But be sure to bundle up because brisk, below-seasonal temperatures will then move into the province for the remainder of the workweek.

Be sure to check back to The Weather Network for more forecast information and updates for Ontario.