severe thunderstorm watch in effect Severe thunderstorms may develop early this evening. Hazards: 90 km/h wind gusts 2 cm hail 25 to 50 mm rainfall within one hour Discussion; The thunderstorm activity will diminish early this evening. ### Driving conditions may be difficult. Local utility outages are possible. Heavy rain can cause flash flooding and significant reductions to visibility. Severe thunderstorm watches are issued when conditions are favourable for the development of thunderstorms capable of producing damaging hail, wind or rain. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm. For more information: https://www.ontario.ca/page/be-prepared-emergency. When thunder roars, go indoors! Lightning kills and injures Canadians every year. Emergency Management Ontario recommends that you take cover immediately if threatening weather approaches.
