Ice storm threat prompts city to declare significant weather event

© Ashley Burke/CBC Environment Canada says prolonged freezing rain could lead to significant ice buildup of 10 to 15 millimetres in some areas. The City of Ottawa has declared a significant weather event for Wednesday with the forecast calling for freezing rain and the potential for an ice storm. Freezing rain and ice pellets are forecast overnight into Wednesday afternoon for an area stretching from Renfrew County through Ottawa-Gatineau to Prescott-Russell. Environment Canada says prolonged freezing rain could lead to significant ice buildup of 10 to 15 millimetres in some areas. The city is not putting a parking ban in place.