Thunderstorm Wind in Keokuk County, Iowa

Thunderstorm Wind July 29, 2025 · Keokuk County, Iowa

70 mph

Estimated gust (61 kt)

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

What the National Weather Service wrote

A trained spotter reported that a large tree branch split from a pear tree. They estimated that the branch is about 6 inches in diameter.

The wider storm

On July 29th, a well-organized line of severe progressed from South Dakota into Iowa during the very early the morning hours. Severe thunderstorm wind gusts occurred in eastern Iowa with scattered gusts between 70 to 80 MPH. Wind gusts over 40 MPH lasted for 30 minutes in some places. This line of storms was classified as a derecho by the Storm Prediction Center.

Began near Sigourney (41.3400, -92.2200).

Source: NOAA Storm Events Database, event 1282351. Narratives are written by the National Weather Service forecast office that issued the report.

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