Rainfall amounts could become significant.
A series of thunderstorms and showers are affecting the area around Shawinigan and could cause flash flooding. Some of these thunderstorms could also produce strong gusts and hail up to the size of a quarter.
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Driving conditions will likely be difficult.
Severe thunderstorms can produce tornadoes. Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are expected to produce damaging hail, wind or rain.