de la: 18.05.2026, 15:00
la: 19.05.2026, 02:02

Yellow watch - severe thunderstorm - in effect Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts and large hail. Hazards: Wind gusts up to 100 km/h Hail up to toonie size Risk of a tornado Timing: This afternoon and evening Additional information: Thunderstorms over Lower Michigan are expected to intensify this afternoon and move eastward into the area. The main hazard will be damaging wind gusts. A tornado cannot be ruled out. ### Local utility outages are possible. Damage to roofs, fences, branches or soft shelters is possible. 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 [email protected] or post reports on X using #ONStorm. For more information: https://www.ontario.ca/page/be-prepared-emergency.