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Flash Flood — Linn, IA

Aug 10, 2025

Multiple rounds of thunderstorms tracked across the area early Sunday August 10th, bringing very heavy rain, frequent lightning, and some localized gusty winds. Rainfall rates over 2/hr on top of saturated ground caused flash flooding with water over roadways and creeks overflowing. Late afternoon and evening storms brought more heavy rain and three brief tornadoes in Lee county in Iowa and Clark county in Missouri. No damage was reported or seen with these tornadoes.

Source: NOAA National Weather Service Storm Events Database (event 1273416). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Linn, IA

This event is one of many recorded floods in Linn County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

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