EF1 Tornado — Dubuque, Iowa

2025-07-11 · near Bernard, Dubuque, Iowa

0.9 mi

Path length

25 yds

Path width

Event narrative

A 0.8 mile long EF-1 tornado with peak estimated wind speed of 95 mph caused damage to trees and a county road maintenance shed in Bernard. This tornado was surrounded by straight line wind damage with winds from 80 to 90 MPH.

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 → (42.3100, -90.8300)

Source: NOAA Storm Events Database, event_id 1281946. Narrative written by the NWS forecast office that issued the report.