Remember, though, that even a non-severe thunderstorm is still dangerous. Lightning is the greatest threat posed by any thunderstorm. Nocturnal storms can pose even more of a threat, so stay weather-aware.
Wednesday sees greater potential for severe storms
Temperatures in the upper 20s with high humidex values, in conjunction with a cold-front moving in from the states and low pressure over Lake Superior, will support the risk for severe thunderstorms across southern Ontario and Quebec on Wednesday.
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The timing of the cold front’s passage, as well as lingering storm activity from Tuesday, will dictate the severe thunderstorm potential across the region.
The main threats from these storms will be large hail up to toonie-sized, heavy rainfall, and strong wind gusts up to 100 km/h. Folks could be seeing these conditions last into the evening hours on Wednesday.
While it is low, a tornado chance also exists in central Ontario and along the Ontario and Quebec border, stretching from Temiskaming Shores, Ont., to Val-d’Or, Que.
There is a chance for storms to move through the Greater Toronto Area (GTA), but they will be more isolated and may contain strong wind gusts and heavy downpours.