EF4 tornado in Woodbury County, Iowa

A tornado severely damaged or destroyed about 10 houses, collapsing most walls on a few of the houses, tearing most of the roofs off other houses, and shifting what was left of some houses off their foundations. The tornado caused significant damage to roofs, windows, and siding of additional houses. Numerous farm outbuildings, storage buildings, and a few silos were destroyed or severely damaged. The tornado also destroyed or damaged several pieces of farm equipment, caused significant tree damage, including numerous trunks snapped or uprooted and other trees stripped, and blew down power poles and lines. The tornado then crossed into Cherokee County.

Thunderstorms produced eleven tornadoes, several of them causing damage, which tracked wholly or partly in northwest Iowa during the afternoon and early evening of October 4th. There were also two reports of large hail and one report of non tornadic damaging thunderstorm winds.