Two of the tornadoes followed parallel paths and occurred simultaneously near Springfield, one of which devastated the town of Marshfield, causing 92 fatalities there.
On April 18 intense windstorms affected Decatur, Wenona, Warren, Champaign, Ottawa, Peoria, Summerfield, Jacksonville, Tuscola, Clinton, Collinsville, and Chester, Illinois.
These storms unroofed, destroyed, or partly wrecked numerous structures.
On the same date vigorous thunderstorms generated winds of up to 80 mph (130 km/h) in Lawrence, Kansas, tipping structures onto their sides and tearing roofs off.
Early on April 19 severe thunderstorms also affected Richmond and Wabash, Indiana, along with other areas beside the White River.