By Amanda Stephenson
May 31, 2026 1:42 PM EDT

Summary

• Wildfires near major oil sands sites, rain lowers risk
• No significant production disruptions yet in 2026
• Past wildfires have caused major output losses and evacuations in Alberta

CALGARY, May 31 (Reuters) - Wildfire season has returned to Canada's oil sands region, with seven active blazes ‌in the area on Sunday raising risks for communities, workers, companies and investors.

Canada is the world's fourth-largest oil producer, and the bulk of its production is clustered in northern Alberta's boreal forest. Wildfires, ​which have always occurred in this environment but are more common now due ​to climate change, have become a perennial threat to Canadian oil output.

So ⁠far this year, there have been no significant disruptions to Canadian oil company operations ​due to wildfire.

But on Sunday, there were about seven active blazes burning in the Fort ​McMurray and Lac La Biche areas of northern Alberta, with some of the fires within 20 kilometers (12.43 miles) of major oil sands sites such as Cenovus Energy's Christina Lake and Canadian Natural Resources’ Jackfish.

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