The south of Quebec was swept by violent thunderstorms Sunday evening and during part of the night.
More than 50 mm of rain fell in certain sectors of the Laurentians, Lanaudière and Outaouais.
In Montreal, the accumulation of rain led to the closure of the Saint-Rémi tunnel much of the evening, and that of Highway 20, near Angrignon.
At the corner of avenues du Parc and des Pins, three cars ended up with water up to the windows around 10:30 pm The emergency services had to intervene in order to extricate the passengers, without causing any injuries.
In Terrebonne, a car fell into a hole on rue d’Aragon, also requiring firefighters to intervene.
On Highway 15, at kilometer 62, a manhole cover was displaced by water around 9:30 p.m., causing punctures on several vehicles, police said.
The Hydro-Quebec network was spared by thunderstorms, since there was a peak of less than 4,000 customers without electricity Monday around 4 a.m., half of them in Montérégie and Montreal.
The low pressure system is moving slowly east of the province and is expected to bring low amounts of rain to the Gulf of St. Lawrence from the Quebec region.
The Lac-Saint-Jean region remains under a rain alert by Environment Canada, since 10 mm of rain is still expected during the day.