Flash Flood in Clark County, Missouri
Flash Flood June 10, 2026 · Clark County, Missouri
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
Multiple roads with water on them reported, including some that are blocked off by law enforcement within the county. Time estimated.
The wider storm
Several rounds of thunderstorms moved through the region Wednesday and Thursday that brought heavy rain, damaging wind, and several brief tornadoes to eastern IA, northwest IL, and northeast MO. The more widespread wind damage occurred Wednesday afternoon June 10th from a derecho that developed in eastern Iowa and moved east. This downed trees, power lines primarily along and north of I-80. The more significant winds between 70-80 mph winds were seen north of the Hwy 20 corridor. A second round of storms later on produced isolated wind damage, including some damage north of Geneseo, IL that was due to straight-line winds.
Began near Kahoka (40.4226, -91.7150).
Source: NOAA Storm Events Database, event 1337337. Narratives are written by the National Weather Service forecast office that issued the report.
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