Ottawa is set for a wet stretch as Environment Canada forecasts a substantial amount of precipitation to soak the capital region over the coming days.
Significant Rainfall Expected
Meteorologists predict that Ottawa could see between 10 and 20 millimetres of rain falling from Thursday through Friday. The weather system is expected to bring steady, widespread showers across the city, potentially impacting evening commutes and outdoor plans.
Timing and Potential Impacts
The rain is forecast to begin in earnest on the morning of Thursday, December 18, 2025, and continue intermittently through the following day. Residents living near waterways, including areas like Remic Rapids Park along the Ottawa River, should be mindful of changing conditions. While significant flooding is not currently anticipated, the accumulation could lead to ponding on roads and in low-lying areas.
This weather event stands in contrast to the winter storms affecting other parts of the country, such as the major collision on the QEII in Alberta or the winter storm taking its toll in Saskatchewan. For Ottawa, the primary concern is liquid precipitation rather than snow or ice.
Staying Prepared
Local officials advise residents to ensure storm drains near their properties are clear of leaves and debris to help with water runoff. Drivers are reminded to reduce speed and increase following distance during heavy rain, as wet roads significantly increase stopping distances and the risk of hydroplaning.
This forecast serves as a reminder of the variable and often unpredictable nature of Canadian weather, especially during seasonal transitions. Ottawa's expected rainfall is part of a broader national weather pattern that includes extreme conditions elsewhere, from Calgary's police advising residents not to drive to a sharp increase in flu cases at CHEO.
