Fog advisory
Dense fog has developed early this morning resulting in near zero visibility in some locations. The visibility will improve later this morning as the dense fog dissipates.
Travel will likely be hazardous in some locations.
Be prepared for areas of near-zero visibility and allow extra time to reach your destination.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on social media using #ONStorm.
Today – August 12, 2026
Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. Fog patches dissipating this morning. Wind becoming southwest 30 km/h near noon. High 27. Humidex 35. UV index 8 or very high.
Tonight
Cloudy. 40 percent chance of showers this evening with risk of a thunderstorm. Fog patches developing near midnight. Wind southwest 30 km/h becoming light this evening. Low 18.
Thu, 13 Aug – Cloudy. Becoming a mix of sun and cloud in the morning. Fog patches dissipating in the morning. High 27. Humidex 35. UV index 9 or very high. Night – Cloudy with 30 percent chance of showers. Low 16.
Fri, 14 Aug – Sunny. High 26. Night – Clear. Low 14.
Sat, 15 Aug – Sunny. High 26. Night – Increasing cloudiness. Low 17.
Sun, 16 Aug – Cloudy with 40 percent chance of showers. High 28. Night – Cloudy with 40 percent chance of showers. Low 17.
Mon, 17 Aug – A mix of sun and cloud with 30 percent chance of showers. High 26. Night – Cloudy periods. Low 16.
Tue, 18 Aug – A mix of sun and cloud. High 27.
