Hail history in Harpers Ferry, IA

Radar has detected major hail over the Harpers Ferry area on 21 days since 2011, up to 2.5" (tennis ball size) on September 3, 2019. Source: NOAA Severe Weather Data Inventory radar signatures, which estimate hail aloft near Harpers Ferry, not confirmed ground reports.

Data last updated: July 27, 2026

Every major hail day near Harpers Ferry

August 16, 2025up to 2" near Harpers Ferry · storm peaked at 2.75" (Calmar area)August 29, 2024up to 1.25" near Harpers Ferry · storm peaked at 2" (Blencoe area)August 5, 2024up to 1.75" near Harpers Ferry · storm peaked at 1.75" (Waukon area)June 22, 2024up to 1" near Harpers Ferry · storm peaked at 1.75" (Arispe area)August 13, 2022up to 1" near Harpers Ferry · storm peaked at 2.25" (Burr Oak area)August 3, 2022up to 1.25" near Harpers Ferry · storm peaked at 1.5" (Aurelia area)August 7, 2021up to 2.25" near Harpers Ferry · storm peaked at 2.25" (Harpers Ferry area)July 29, 2021up to 1.5" near Harpers Ferry · storm peaked at 1.75" (Springbrook area)September 3, 2019up to 2.5" near Harpers Ferry · storm peaked at 2.75" (Lansing area)July 14, 2019up to 1.25" near Harpers Ferry · storm peaked at 1.75" (Monona area)June 4, 2019up to 1.25" near Harpers Ferry · storm peaked at 2" (Milford area)May 25, 2018up to 1.5" near Harpers Ferry · storm peaked at 2.75" (Steamboat Rock area)April 13, 2018up to 1.75" near Harpers Ferry · storm peaked at 3.5" (Paton area)July 19, 2017up to 1.5" near Harpers Ferry · storm peaked at 1.75" (Dolliver area)September 22, 2016up to 1.25" near Harpers Ferry · storm peaked at 1.75" (Shellsburg area)September 13, 2016up to 1" near Harpers Ferry · storm peaked at 2" (Postville area)May 25, 2016up to 1.25" near Harpers Ferry · storm peaked at 1.75" (Estherville area)June 29, 2015up to 2" near Harpers Ferry · storm peaked at 2" (Harpers Ferry area)May 29, 2013up to 2.25" near Harpers Ferry · storm peaked at 3" (Gilman area)May 14, 2013up to 1.25" near Harpers Ferry · storm peaked at 1.25" (Harpers Ferry area)September 4, 2012up to 2.25" near Harpers Ferry · storm peaked at 3.25" (Castalia area)

What this record means for a Harpers Ferry roof

The list above covers 21 radar-confirmed hail days over Harpers Ferry between 2012 and 2025. The largest signature recorded over the Harpers Ferry area was 2.5" (tennis ball size) on September 3, 2019. Radar put the local estimate at or above the 1" mark, the size generally capable of damaging asphalt shingles, on every one of those days.

Insurers and their adjusters can pull this same NOAA archive, so a date on this list is not news to the company handling a claim. What the archive cannot show is the condition of your specific roof, which is why dated photos and a written inspection report carry the weight in a dispute. Most homeowner policies also set a deadline to report storm damage, commonly one or two years from the date of loss, so a recent date above matters most if the roof was never inspected after it.

Get the roof inspected, free

Radar cannot confirm what hit your shingles; an inspection can, and it costs you nothing. Angi matches you with licensed local roofers who inspect for free and bid the work. Know how it works going in: the roofers pay Angi for the introduction, you pay nothing, and more than one company may call. That is the useful part: multiple written estimates are exactly what you want in hand before an adjuster visit or a contract.

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Before you sign anything, read the contractor red flags: assignment-of-benefits traps, deductible games, and storm-chaser tells.

Common questions

Has Harpers Ferry had hail big enough to damage roofs?

Radar has detected hail up to 2.5" (tennis ball size) over the Harpers Ferry area, most recently on August 16, 2025. Hail of 1" or larger is generally considered capable of damaging asphalt shingles.

Does this prove my roof was damaged?

No. Radar estimates hail aloft, accurate to roughly a mile, and cannot confirm what reached any specific roof. It is a strong reason to document your roof and check your policy's claim deadline after a listed date, not proof of damage.

How do I check my exact address in Harpers Ferry?

Use the free address lookup on this site. It searches the same NOAA radar archive within a radius you choose around your address, back to 2011.

If one of these dates is recent