The worst damage occurred farther south in West Fargo, North Dakota and in south central Fargo, North Dakota. Wind gusts in these areas were estimated at as high as .
The storm caused $85 million in damage (1999 dollars) in the Fargo metropolitan area. Over 40,000 people were without power. Cars were overturned, roofs were severely damaged, and power poles were blown down.
One person was killed and 60 were injured as the derecho passed through the Boundary Waters Canoe Area and Superior National Forest. People were there to enjoy canoeing and other recreation for the Independence Day weekend. Straight line winds in excess of 90 mph (145 km/h) uprooted and snapped off trees in over 370,000 acres (1,500 km²) of the 1 million acre (4,000 km²) wilderness area. In total, more than 477,000 acres (1,930 km²) of forest was affected in the Superior National Forest in a swath 30 miles (48.3 km) long and 4 to 12 miles (6.4 to 19.3 km) wide. It's estimated that 25 million trees were blown down in the BWCA.
The storm carved a path of destruction into the sparsely populated forested areas of northern Ontario. The Canadian Pacific track between White River and Chapleau in northestern Ontario was put out of service by fallen trees. No major population centers in Ontario east of Lake Superior were affected, however.
As it raced eastward at 62 mph (100 km/h), the system entered into western Quebec in the Témiscamingue region around 11 pm. A gust of 65 mph (102 km/h) was reported at the automatic station of Angliers. There was also a tremendous amount of lightning associated with this derecho, around 6000 lightning strikes per hour. Another person in this derecho was killed at Val-des-Lacs (V on the map) when a tree fell on the victim. A woman was injured when a tree crushed her car.
After narrowly missing the Ottawa area, the storm moved quickly into Montreal (M on the map) around 3 AM heading southeastward toward Maine. Much damage was recorded in the Metropolitan area but the worst affected area of Quebec was farther along its path near Sherbrooke (S on the map) in the Eastern Townships where a church was badly damaged, farm buildings were damaged and 2,000 trees were felled. Hydro-Québec reported that over 600,000 people lost power; some were without power for over a week.