Aurora, Ontario is in for a wet and muggy start to September, as Environment Canada has issued a special weather statement for the area. Showers and embedded thunderstorms are expected to bring 20 to 40 mm of rain, possibly exceeding 40 mm, beginning Monday evening and ending Tuesday morning. Environment Canada notes that water will likely pool on roads and in low-lying areas.
As of 4:00 PM on Monday, August 31, 2026, conditions at the King City North weather station showed a temperature of 19°C with 100% humidity and calm winds. The Environment Canada forecast calls for mainly cloudy skies on Tuesday with a 30 percent chance of showers and a risk of thunderstorms. The high is expected to reach 27°C with a humidex of 35, making it feel quite uncomfortable.
The Toronto and Region Conservation Authority has issued a flood watch effective until noon on Tuesday, citing 30 to 40 mm of rainfall already received and saturated ground conditions. Residents are advised that shorelines, rivers, and streams are dangerous right now.
The unsettled pattern continues through the week. Wednesday is expected to be cloudy with a 30 percent chance of showers and a high of 27°C, while Thursday will bring a mix of sun and cloud with a 30 percent chance of showers and a high of 26°C. These temperatures are above the seasonal norm for late August, which is typically a high of 23°C.
The Lake Simcoe Region Conservation Authority also monitors flood conditions in the watershed that includes parts of York Region. Residents are encouraged to keep rain gear handy and stay hydrated during the humid stretch.