1970: An estimated F3 tornado moved northeast from just southeast of Mound City. Barns and sheds were said to have been blown away on three farms.

1985: A thunderstorm produced golf ball size hail in the Castlewood area causing considerable damage to grain, corn, soybeans, and gardens. Some areas just south of Castlewood had hail piled up to six inches deep. Leaves were stripped from several trees. Wind gusts to 60 mph accompanied the hail. Another thunderstorm produced strong winds and damaging hail in Grant and Roberts Counties. North of Milbank along both sides of Highway 15, crops incurred considerable damage. An area 17 miles northeast of Sisseton into Browns Valley, to Mud Lake saw crop damage from golf ball size hail.

1903: The "Heppner Disaster" occurred in Oregon and is the state's deadliest weather catastrophe. Thunderstorms in the hills sent a flood down Willow Creek, and a 40 foot wall of water swept away a third of the town in minutes, killing 247 residents and causing 100 million dollars damage. There are no rainfall data available for this storm because the weather observing station was completely destroyed, drowning the observer and his entire family.

1957: An F4 tornado moved across the south and southeast sides of Springfield, IL. The tornado destroyed 25 homes and severely damaged 175 others; property damage was around $3 million. On the north side of town the storms produced a wind gust of 98 mph at Capital Airport, which still stands as Springfield's record wind speed. Two people died during the storm, with over 50 injured.

1990: One of Ohio's deadliest flash floods struck the valley community of Shadyside when three to five inches of rain fell in less than two hours. Two creeks in the area roared out of their banks and took the lives of 26 people, as well as 80 homes.