50+ mm: Severe thunderstorms threaten heavy downpours in short time
DON'T MISS:
The storm risk will shift into eastern Ontario and southern Quebec by Thursday, where isolated storms could bring heavy downpours, near 2 cm-sized hail, and strong winds.
You'll want to stay updated on the weather alerts in your area as conditions can change quickly when severe weather hits.
A low-pressure system moving through the Great Lakes will spark thunderstorms early Wednesday afternoon in regions such as Windsor, London, and areas north to Collingwood.
These storms are expected to track northeast, reaching the 401 and 400 corridors between 3 and 4 p.m. Heavy downpours could bring 30-50+ mm of rain in short bursts, increasing the risk of localized flooding, particularly in the northern GTA.
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Threats from these thunderstorms include hail up to two centimetres in size and strong wind gusts. Commuters are encouraged to stay weather-aware as slow travel is likely during the evening.
Conditions will shift eastward Thursday, with severe storms possible in eastern Ontario, including Ottawa, and areas along the St. Lawrence River, such as Montreal and Quebec City.
Another round of heavy rainfall, hail, and strong winds could develop during the afternoon.
DON'T MISS:
Although the storm risk remains for southern Ontario Thursday, forecast confidence in exact locations remains lower.
Be sure to check back for the latest weather updates across Ontario and Quebec.
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