Grinnell, Iowa Storm Reports

Real-time hail, wind, and tornado reports near Grinnell, Iowa, sourced from official NOAA/NWS data and updated daily. Roof Flow Pro helps Grinnell roofing contractors track storm damage, find canvassing opportunities, and close more insurance restoration jobs across Iowa.

Storm Activity Near Grinnell (Last 12 Months)

  • 262 total storm reports
  • 110 hail reports (max 2.75" diameter)
  • 122 wind reports (max 94 mph)
  • 12 tornado reports
  • 38 severe weather days
  • Most recent storm: 2026-08-15

Nearby Storm Reports in Iowa

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Frequently Asked Questions

How can roofing contractors in Grinnell find storm damage leads?

Roofing contractors use Roof Flow Pro to see exactly where hail and wind damage occurred near Grinnell, Iowa, then dispatch canvassing teams to those neighborhoods within 24-48 hours. The platform combines storm tracking with a full roofing CRM.

Is the Grinnell storm report data official?

Yes — every report on the Grinnell, Iowa page comes from NOAA's Storm Prediction Center and the National Weather Service Local Storm Reports feed, the same sources insurance carriers reference.

When is storm season in Grinnell, Iowa?

Grinnell'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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