Flash Flood in Cherokee County, Iowa

Flash Flood August 9, 2025 · Cherokee County, Iowa

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Pictures showed significant street flooding in lower areas on the southeast side of Cherokee.

The wider storm

Scattered thunderstorms developed along a strong frontal boundary, which moved across northwest Iowa late in the night of August 8 and early morning of August 9. The thunderstorms were within an environment of marginal shear and decent MUCAPE around 1500 J/kg, and high amounts of moisture led to brief excessive rainfall rates. The heaviest rainfall was focused around Cherokee, where from 1.50 to 3.00 inches of rainfall occurred in a couple hours, leading to brief flash flooding.

Began near Cherokee (42.7426, -95.5431).

Source: NOAA Storm Events Database, event 1290491. Narratives are written by the National Weather Service forecast office that issued the report.

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