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Hail history in Blue Grass, IA

Radar has detected major hail over the Blue Grass area on 20 days since 2011, up to 2.25" (hen egg size) on September 4, 2014. Source: NOAA Severe Weather Data Inventory radar signatures, which estimate hail aloft near Blue Grass, not confirmed ground reports.

Data last updated: July 28, 2026

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Every major hail day near Blue Grass

August 10, 2025up to 1.5" near Blue Grass · storm peaked at 2" (Glenwood area)August 1, 2024up to 1" near Blue Grass · storm peaked at 1.25" (Davenport area)April 16, 2024up to 1.5" near Blue Grass · storm peaked at 2.75" (Mount Sterling area)September 18, 2022up to 1.75" near Blue Grass · storm peaked at 3.5" (Rochester area)August 1, 2022up to 1.5" near Blue Grass · storm peaked at 1.75" (Fort Madison area)September 20, 2021up to 1" near Blue Grass · storm peaked at 2.25" (Masonville area)August 11, 2021up to 1.75" near Blue Grass · storm peaked at 2.75" (Farmington area)June 3, 2020up to 1.5" near Blue Grass · storm peaked at 2.75" (Clearfield area)April 22, 2019up to 1" near Blue Grass · storm peaked at 2" (Cedar Rapids area)August 16, 2018up to 1.25" near Blue Grass · storm peaked at 2" (Douds area)September 20, 2017up to 1.75" near Blue Grass · storm peaked at 2" (Wilton area)July 20, 2017up to 1.75" near Blue Grass · storm peaked at 3" (Buffalo area)August 28, 2016up to 1" near Blue Grass · storm peaked at 2" (Conesville area)August 2, 2015up to 1.25" near Blue Grass · storm peaked at 2.5" (Glenwood area)September 4, 2014up to 2.25" near Blue Grass · storm peaked at 2.25" (Buffalo area)August 26, 2014up to 1.25" near Blue Grass · storm peaked at 1.75" (Clinton area)May 21, 2014up to 1.5" near Blue Grass · storm peaked at 3.75" (Davis City area)May 28, 2012up to 1.5" near Blue Grass · storm peaked at 2.25" (Le Claire area)August 23, 2011up to 1.75" near Blue Grass · storm peaked at 3.75" (Primghar area)August 8, 2011up to 1" near Blue Grass · storm peaked at 4" (Andrew area)

What this record means for a Blue Grass roof

The list above covers 20 radar-confirmed hail days over Blue Grass between 2011 and 2025. The largest signature recorded over the Blue Grass area was 2.25" (hen egg size) on September 4, 2014. 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 Blue Grass had hail big enough to damage roofs?

Radar has detected hail up to 2.25" (hen egg size) over the Blue Grass area, most recently on August 10, 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 Blue Grass?

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