1947: An unprecedented late-spring snowstorm blasts portions of the Midwest from eastern Wyoming to eastern Upper Michigan. The heavy snow caused severe damage to power and telephone lines and the already-leafed-out vegetation.
Source: NWS Office in La Crosse, Wisconsin.
1982: Two major tornadoes ripped through southern Illinois. The most severe was an F4 that touched down northeast of Carbondale, Illinois then moved to Marion. The twister had multiple vortices within the main funnel. Extensive damage occurred at the Marion Airport. A total of 10 people were killed, and 181 were injured. 648 homes and 200 cars were damaged or destroyed, with total damages around $100 million dollars.
Source: NWS Office in Paducah, Kentucky.
— NWS Little Rock (@NWSLittleRock) May 30, 2017
— NOAA Satellites (@NOAASatellites) May 30, 2017