Marshalltown, Iowa Storm Reports

A live 12-month storm history for Marshalltown, Iowa — including hail size, wind speed, and tornado confirmations from official NOAA sources. Use it to prove date-of-loss on insurance claims and target canvassing routes in Marshalltown neighborhoods hit hardest.

Storm Activity Near Marshalltown (Last 12 Months)

  • 284 total storm reports
  • 112 hail reports (max 2.75" diameter)
  • 138 wind reports (max 94 mph)
  • 17 tornado reports
  • 40 severe weather days
  • Most recent storm: 2026-08-13

Nearby Storm Reports in Iowa

More Iowa Coverage

Frequently Asked Questions

What's the fastest way to canvass hail damage in Marshalltown?

Pull up the Marshalltown storm map, filter to the most recent hail event, and drive the affected blocks the next morning. Roof Flow Pro logs every door knock so Iowa sales reps don't work the same street twice.

Where does the storm data for Marshalltown come from?

Storm reports for Marshalltown are sourced from official NOAA/NWS storm reports within a 25-mile radius and updated daily. Reports include hail size, wind speed, and tornado confirmations.

When is storm season in Marshalltown, Iowa?

Marshalltown's severe weather season typically runs from spring through early fall, with peak hail and wind activity from March through August. Roof Flow Pro alerts contractors to active storms in real time.

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