Ontario - Canada   2026-06-11   Thursday   52.22N, -87.90W

Lansdowne House

Ontario - Canada
2026-06-11

yellow watch - severe thunderstorm - in effect

Issue date: 2026-06-11T15:37+00:00

Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts.Hazards:Wind gusts of 90 km/hTiming:This afternoon.###Local utility outages are possible.Strong wind gusts can damage trees, buildings and overturn vehicles. 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 ONstormec.gc.ca or post reports on X using #ONStorm.For more information: https://www.ontario.ca/page/be-prepared-emergency.