Ottawa·NewEnvironment Canada issued a severe thunderstorm warning for parts of eastern Ontario and western Quebec Wednesday afternoon.Environment Canada warns of very strong wind gusts, hail, heavy rainCBC News · Posted: Jul 02, 2025 5:41 PM EDT | Last Updated: 21 minutes agoA pedestrian crosses a flooded intersection as heavy rain pours down in Ottawa on June 6, 2024. Environment Canada has issued a severe thunderstorm warning for parts of eastern Ontario and wester Quebec Wednesday afternoon. (The Canadian Press/Justin Tang)Environment Canada issued a severe thunderstorm warning for parts of eastern Ontario and western Quebec on Wednesday afternoon.Watch for the latest updates here, as conditions can change quickly. The agency warned of potential strong winds, heavy rain and toonie-size hail. The storm could bring power outages and cause damage to roofs, fences and trees. Hail could also cause damage or injury.Emergency Management Ontario recommends taking cover immediately if threatening weather approaches.Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are expected to produce damaging hail, wind or rain.