Rainfall, combined with melting snow, is expected. The frozen ground has a reduced ability to absorb this rainfall.What:Additional rainfall amounts of 20 to 30 mm with locally higher amounts possible due to thunderstorms. Substantial snow melt contributing to ponding on roads and low lying areas.When:Continuing through this evening. Additional information:Another round of showers and isolated thunderstorms is expected this afternoon. The rain combined with mild temperatures will likely melt much of the significant snowpack and lead to additional runoff.The rain will taper to light showers this evening.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###Water will likely pool on roads and in low-lying areas.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.