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23 June 2026

Winter storm warning: Southern Ontario braces for heavy snowfall

Significant snowfall expected across southern Ontario, impacting travel and daily life.

Southern Ontario winter storm with heavy snowfall
Southern Ontario prepares for a winter storm with heavy snowfall expected.

Snowfall Forecast for Southern Ontario

As winter settles in, southern Ontario is gearing up for a significant weather event. Environment Canada has issued a winter storm warning, predicting snowfall amounts ranging from 15 to 40 cm across various regions, including the Greater Toronto Area (GTA). The snow is expected to begin late Wednesday afternoon, with peak rates of 2 to 4 cm per hour. This could lead to challenging travel conditions, particularly during the evening commute.

Impact on Travel and Daily Life

The impending storm is likely to disrupt daily routines, with Environment Canada advising residents to consider postponing non-essential travel. The combination of rapidly accumulating snow and potential ice pellets could create hazardous conditions on the roads. Meteorologist Ross Hull emphasizes that this weather system, driven by a Texas low, will bring enough cold air to ensure heavy snowfall, particularly affecting urban areas. Commuters should prepare for delays and plan accordingly.

Regional Variations in Snowfall

While Toronto is expected to receive around 15 cm of snow, areas further north, such as Barrie and Ottawa, could see totals reaching up to 40 cm. The variability in snowfall amounts highlights the need for residents to stay updated on local forecasts. In addition to snow, there is a risk of freezing rain in regions like Hamilton and Burlington, which could further complicate travel. As the storm approaches, it’s crucial for individuals to remain informed and take necessary precautions.

Future Weather Patterns

This winter storm is just one of several weather events affecting southern Ontario. Following a recent snowfall that blanketed parts of the region with up to 20 cm, meteorologists are already monitoring another potential storm system emerging from the U.S. this weekend. This could result in yet another round of heavy snow, making it a challenging week for residents. Staying informed through reliable weather updates will be essential as conditions evolve.

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