Folks across southern Quebec will contend with a risk for flooding this weekend as a very moist pattern lingers over the region. Some areas could see 50-100+mm of precipitation through Monday morning, which may lead to localized flooding and ponding. Advertisement AdvertisementAdvertisement AdvertisementThis setup will increase the threat for significant flooding across Quebec over the next 48 hours. Quebec rain and thunderstorms SundayWe'll see heavy showers and thunderstorms move across southern Quebec through the day Sunday, with additional rounds likely to occur Sunday evening. Quebec rainfall totals through MondayCommunities in and around Montreal may see 50+ mm of rain through Monday morning, with 75-100+ mm of precipitation possible farther to the northwest.