1918: An estimated F2 tornado moved NNE from 5 miles NNW of Ferney, across the eastern edge of Groton. Homes were unroofed and barns were destroyed. Nine farms lost buildings. One man was injured in a barn, another in a car that was thrown from the road. Estimated damage was set at $60,000. Tornadoes were also seen in Lincoln and Sanborn Counties in South Dakota. Also, an estimated F2 tornado moved northeast through the townships of Akron and Artichoke in Big Stone County, Minnesota. About 300 farms had tornado damage. The funnel dissipated on Artichoke Lake.

1960: Pierre received 1.96 inches of rain in less than 30 minutes which caused flash flooding. About 30 basements were flooded with extensive cave in damage at one home. Flash flooding from 2 to 3 inches of rain occurred near Presho, washing out county roads, three bridges and a grain storage bin. Gettysburg also received 2.5 inches of rain.

1996: A brief F0 tornado touchdown and cut a narrow path from 2 miles east of Willow Lake with no damage reported. A 100 mph wind gust blew down 38 large trees on Highway 81 from the junction of Lake Norden corner on Highway 28 to the junction of the Hayti corner. Also, 4 double posted and 5 single posted signs were broken off and 1 single posted steel sign was bent over.

1898: In Marathon County, WI, 30 miles of farms and forest were leveled by what was likely an F5 tornado. Seventeen people were killed, including 5 people from one family.

1902: 100 buildings were obliterated in Goliad, TX by an F4 (estimated) tornado. 114 people were killed.

1980: Mount Saint Helens, WA, erupted, spewing ash and smoke nearly 63,000 feet into the air. Heavy ash covered the ground as small particles were carried by the winds all the way to the Atlantic coast.

1995: Near Ethridge, TN 6 TVA high-tension electric transmission towers were destroyed by an F4 tornado and were never found. Northern Alabama was hard hit as well, especially in the Anderson Hills area near Huntsville. Anderson Hills would be hit hard again during the April 27, 2011 tornado outbreak.