According to forecasters at AccuWeather, cities where smoke is expected to become thick enough to be noticeable include Fargo, North Dakota; Minneapolis and Duluth, Minnesota; Green Bay and Milwaukee; and Chicago, Illinois. Additionally, high-altitude wildfire smoke may be visible as far southeast as Detroit and Indianapolis.

The heavy smoke from the active wildfires in Canada is expected to hit parts of the United States. Rising heat, winds, and dry air sparked blazes in the Canadian provinces of Saskatchewan and Manitoba,