On July 1, an High Precipitation supercell moved across southeast South Dakota into southwest Minnesota. This storm produce 2 tornadoes, hail up to the size of tennis balls (2.5 inches) and wind speeds well in excess of 80 mph. There was significant damage to trees and some buildings in Wentworth and Flandreau in South Dakota and to Marshall, Balatin, and Lake Benton in Minnesota. There were also two tornadoes with the storm – an EF2 tornado that hit Tyler, Minnesota and an EF1 tornado that hit Ruthton, Minnesota.
Images of the storms from the WSR-88D radar in Sioux Falls, South Dakota can be viewed in PDF format: