Summer storms across Ontario and Quebec have generated $439 million in insured damage, according to a report released by Catastrophe Indices and Quantification Inc. The assessment covers the severe weather that unfolded throughout the 2026 summer season in both provinces.

The report attributes the high level of insurance losses to a series of strong summer storms that produced widespread property damage. While the exact distribution of damage is not detailed, the figure reflects the cumulative effect of the storms on homes, businesses and other insured assets throughout the affected regions.

Catastrophe Indices and Quantification Inc. compiled the data as part of its ongoing monitoring of weather‑related risks in Canada. The organization’s analysis highlights the financial impact that extreme summer weather can have on the insurance sector, underscoring the importance of accurate loss estimation for insurers and policymakers.

The $439 million in insured losses follows a broader pattern of severe weather events that have marked the 2026 summer in eastern Canada. The storms, described as strong and persistent, have prompted a reassessment of risk exposure for property owners and insurers operating in Ontario and Quebec. The report serves as a quantitative reference point for future planning and risk mitigation efforts in the region.