The potential for severe storms will creep into eastern ontario, covering the. Webpolice have confirmed at least eight deaths and multiple injuries after saturday's severe thunderstorm. Tens of thousands of people are also without power. Webenvironment canada issued a severe thunderstorm warning for most of southern ontario ahead of an intense band of weather that had the potential to bring 100. Webthe national weather service in grand rapids has issued a severe thunderstorm warning until 3:15 pm edt. Moving east at 60 mph. 60 mph wind gusts. Webthere is a widespread 'strong' risk for severe weather, covering much of central, southwestern, and northeastern ontario, where damaging wind gusts, large. Websevere thunderstorms swept through parts of southern ontario and quebec wednesday, with reports of heavy rain, damaging winds, and large hail through.