Additional rainfall possible. The ground, already near saturation, has a limited capacity to absorb this rainfall.What:Rainfall amounts of 10 to 20 mm. Locally higher amounts possible.When:Ending this evening.Additional information:Additional showers and thunderstorms are possible through the day. Portions of the region have received significant rainfall amounts over the last few days. As a result, any further rainfall could have significant impacts. Rainfall warnings may be issued for some regions.Rainfall amounts will likely be highly variable across the region. Water will likely pool on roads and in low-lying areas. Don't drive through flooded roadways. Avoid low-lying areas.For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit Ontario.ca/floods for the latest details.###Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstormec.gc.ca or post reports on X using #ONStorm.