Flash Flood — Dubuque, Iowa

2025-07-11 to 2025-07-12 · near Sageville, Dubuque, Iowa

Event narrative

Law Enforcement Officer reported water of over a foot on Iowa Highway 3 near Northwest Arterial that caused the closing of Highway 3. Other roads in the area are flooded too.

Wider weather episode

On July 11th, a line of severe thunderstorms moved across eastern Iowa and produced damaging straight-line winds, tornadoes and heavy rain. Rainfall totals of 2 to 4 inches fell in a few hours across the Quad Cities, on top of heavy rain from the previous night and caused major flash flooding in Davenport. A Considerable Flash Flood warning was issued at 5:26 PM followed by a Flash Flood Emergency at 6:16 PM.

View location on OpenStreetMap → (42.5400, -90.6900)

Source: NOAA Storm Events Database, event_id 1282025. Narrative written by the NWS forecast office that issued the report.