Flash Flood in Louisa County, Iowa
Flash Flood June 17, 2026 · Louisa County, Iowa
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
Road closed due to flooding. Person reported that this is the worst flooding they have seen at this location in a long time.
The wider storm
A strong storm system for mid-June brought two rounds of thunderstorm on Wednesday June 17th. The strongest round of storms occurred during the morning hours that brough damaging winds (some significant), heavy rain, and two EF-1 tornadoes occurred in Iowa. One of these tornado was in Linby in Jefferson and the second touched down in far southeast Lee County and moved into Clark County Missouri and then into Warsaw Illinois.
Began near Letts (41.3300, -91.2300).
Other tornadoes from the same storm system
2 more tornadoes the National Weather Service filed under this storm episode.
Source: NOAA Storm Events Database, event 1337756. Narratives are written by the National Weather Service forecast office that issued the report.
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