Heavy rain and thunderstorms expectedWhat: total rainfall amounts between 50 and 75 millimetres are expected. However, due to the additional rainfall from thunderstorms, totals could reach up to 100 millimetres.Where: Outaouais and Upper LaurentiansWhen: until Monday afternoonAdditional information: bands of heavy rain will occur overnight tonight and Monday morning.###Heavy downpours can cause flash floods and water pooling on roads. Localized flooding in low-lying areas is possible.Rainfall warnings are issued when significant rainfall is expected.Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstormec.gc.ca or post reports on X using #QCStorm.