Flash Flood — Linn, Iowa

2025-08-10 · near Cedar Rapids, Linn, Iowa

Event narrative

Water reported over 1st Ave and 40th. Vehicles were unable to pass through due to water depth. Time was provided by Law Enforcement.

Wider weather episode

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.

View location on OpenStreetMap → (42.0179, -91.6322)

Source: NOAA Storm Events Database, event_id 1273416. Narrative written by the NWS forecast office that issued the report.