Ottawa is under a severe thunderstorm watch as heavy rain and strong winds are expected on Thursday. Environment Canada issued the warning, forecasting up to 40 mm of rainfall. The storm is anticipated to bring localized flooding and hazardous driving conditions. Residents are advised to stay indoors and avoid unnecessary travel. The watch comes as part of a broader weather system affecting the region, with similar warnings in effect for Montreal and other areas. Emergency services are on standby to respond to any incidents. The public is urged to monitor weather updates and take precautions to ensure safety.
Details of the Thunderstorm Watch
The severe thunderstorm watch for Ottawa was updated on June 18, 2026, at 12:23 PM EDT, after being initially published at 6:57 AM EDT. The storm system is expected to bring heavy downpours, gusty winds, and the potential for hail. Rainfall amounts could reach up to 40 mm in some areas, increasing the risk of urban flooding and ponding on roads. Environment Canada emphasizes that severe thunderstorms can produce dangerous lightning, damaging winds, and torrential rain.
Safety Precautions
Residents are encouraged to secure loose outdoor objects, avoid water bodies, and stay away from windows during the storm. If driving, reduce speed and be cautious of reduced visibility and standing water. Power outages may occur, so it is advisable to have emergency kits ready. The city of Ottawa is monitoring the situation closely and will provide updates as needed.
Broader Weather Impact
The severe thunderstorm watch extends beyond Ottawa, with Montreal also under a similar warning. The weather system is expected to move through the region, bringing heavy rain and potential disruptions. After the storm, sunny conditions are forecast for Friday, but the weekend is expected to bring more rain. Residents should plan accordingly for outdoor activities.
This weather event highlights the importance of staying informed and prepared for sudden changes in conditions. Local authorities recommend checking forecasts regularly and following guidance from Environment Canada.
