Thunderstorm damage in Mattawa, Ont.
Photos of downed trees and power lines in the wake of a thunderstorm on May 18, 2026, in Mattawa, Ont.
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Mattawa7 A severe thunderstorm in Mattawa, Ont., on May 18 downed several trees. (Photos courtesy of Dan MacDonald) Mattawa9 The thunderstorm May 19 in Mattawa, Ont., damaged homes in the area. (Eric Taschner/CTV News) Mattawa 12 The thunderstorm May 19 in Mattawa, Ont., damaged homes in the area. (Eric Taschner/CTV News) Mattawa 11 The thunderstorm May 19 in Mattawa, Ont., damaged homes in the area. (Eric Taschner/CTV News) Mattawa 10 The thunderstorm May 19 in Mattawa, Ont., damaged homes in the area. (Eric Taschner/CTV News) Mattawa2 A downed tree is seen the morning of May 19 on Burke Drive in Mattawa, Ont. (Photos courtesy of Dan MacDonald) Mattawa3 A downed tree is seen the morning of May 19 on Burke Drive in Mattawa, Ont. (Photos courtesy of Dan MacDonald) Mattawa5 A severe thunderstorm in Mattawa, Ont., on May 18 downed several trees. (Photos courtesy of Dan MacDonald) Mattawa1 A downed hydro pole is seen the morning of May 19 on Burke Drive in Mattawa, Ont. (Photos courtesy of Dan MacDonald) Mattawa6 A severe thunderstorm in Mattawa, Ont., on May 18 downed several trees. (Photos courtesy of Dan MacDonald) Mattawa8 A severe thunderstorm in Mattawa, Ont., on May 18 downed several trees. (Photos courtesy of Dan MacDonald) Mattawa9 A severe thunderstorm in Mattawa, Ont., on May 18 downed several trees. (Photos courtesy of Dan MacDonald) 
