Freezing Rain Warning for Ontario, Quebec, Atlantic Canada

Environment Canada has issued a severe freezing rain warning for parts of Ontario, Quebec and Atlantic Canada, forecasting up to 30 millimetres of ice accumulation over a 24-hour period starting late Tuesday and continuing through Wednesday. The event, driven by a potent low-pressure system tracking northeast from the southern United States, threatens widespread disruptions including power outages, property damage and hazardous travel conditions across southern Ontario, the Greater Montreal area, Ottawa, Quebec City and surrounding regions.

The warning highlights a prolonged period of freezing rain beginning overnight Tuesday in eastern Ontario and the Outaouais region of Quebec, spreading eastward through Montreal and toward Quebec City by early Wednesday morning. In southern Ontario, including Toronto and the Greater Toronto Area, initial heavy rainfall of 20 to 40 millimetres could lead to localized flooding in low-lying areas and pooling on roads before temperatures drop and the precipitation turns to ice. Ottawa and Montreal face the most intense impacts, with ice buildup of 10 to 20 millimetres possible, comparable to levels seen in the April 2023 ice storm that caused...