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Hail history in Gruver, IA

Radar has detected major hail over the Gruver area on 20 days since 2011, up to 2.5" (tennis ball size) on May 21, 2011. Source: NOAA Severe Weather Data Inventory radar signatures, which estimate hail aloft near Gruver, not confirmed ground reports.

Data last updated: July 27, 2026

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Every major hail day near Gruver

June 30, 2026up to 1.5" near Gruver · storm peaked at 2" (Sergeant Bluff area)August 17, 2025up to 1" near Gruver · storm peaked at 2.25" (Waukon area)April 28, 2025up to 1.75" near Gruver · storm peaked at 2.5" (Greenville area)June 17, 2024up to 1.25" near Gruver · storm peaked at 4" (Greenville area)August 10, 2023up to 1" near Gruver · storm peaked at 1.75" (Struble area)July 10, 2023up to 1.5" near Gruver · storm peaked at 3" (Boyden area)May 8, 2023up to 1.5" near Gruver · storm peaked at 2.75" (West Bend area)April 26, 2021up to 1.25" near Gruver · storm peaked at 1.5" (Everly area)June 2, 2020up to 1.25" near Gruver · storm peaked at 2.5" (Mapleton area)September 18, 2019up to 1.5" near Gruver · storm peaked at 2.25" (La Porte City area)July 16, 2019up to 1.25" near Gruver · storm peaked at 1.5" (Frederika area)May 23, 2018up to 1" near Gruver · storm peaked at 1.75" (Graettinger area)May 8, 2018up to 1.25" near Gruver · storm peaked at 2.25" (Milford area)June 21, 2017up to 1.25" near Gruver · storm peaked at 2" (Greenville area)September 24, 2016up to 1" near Gruver · storm peaked at 1.5" (Lester area)July 17, 2016up to 1.75" near Gruver · storm peaked at 2.75" (Dolliver area)May 25, 2016up to 1.75" near Gruver · storm peaked at 1.75" (Estherville area)August 1, 2013up to 1.5" near Gruver · storm peaked at 2.25" (Thompson area)June 20, 2012up to 1.25" near Gruver · storm peaked at 1.25" (Emmetsburg area)May 21, 2011up to 2.5" near Gruver · storm peaked at 3.25" (Council Bluffs area)

What this record means for a Gruver roof

The list above covers 20 radar-confirmed hail days over Gruver between 2011 and 2026. The largest signature recorded over the Gruver area was 2.5" (tennis ball size) on May 21, 2011. 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.

Find licensed roofers near you on Angi

Referral disclosure: this site may earn a fee if you request quotes through this link. That does not change what you pay, and no contractor pays to be described a certain way here.

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

Common questions

Has Gruver had hail big enough to damage roofs?

Radar has detected hail up to 2.5" (tennis ball size) over the Gruver area, most recently on June 30, 2026. 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 Gruver?

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