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Hail history in Green Grass, SD

Radar has detected major hail over the Green Grass area on 35 days since 2011, up to 3.25" (baseball size or larger) on August 28, 2013. Source: NOAA Severe Weather Data Inventory radar signatures, which estimate hail aloft near Green Grass, not confirmed ground reports.

Data last updated: July 27, 2026

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Every major hail day near Green Grass

June 3, 2026up to 1.75" near Green Grass · storm peaked at 3.75" (Whitehorse area)September 13, 2025up to 1" near Green Grass · storm peaked at 2.25" (Agar area)August 17, 2025up to 1.25" near Green Grass · storm peaked at 2.25" (Provo area)July 29, 2024up to 2" near Green Grass · storm peaked at 4" (Okaton area)June 18, 2024up to 1.25" near Green Grass · storm peaked at 2.75" (Watertown area)May 19, 2024up to 1.5" near Green Grass · storm peaked at 2" (Kenel area)July 7, 2023up to 1.25" near Green Grass · storm peaked at 2.5" (Hillsview area)July 5, 2022up to 1.5" near Green Grass · storm peaked at 4" (Miller area)June 20, 2022up to 1.75" near Green Grass · storm peaked at 4" (Yale area)May 12, 2022up to 2.5" near Green Grass · storm peaked at 4" (Oacoma area)August 28, 2021up to 1.75" near Green Grass · storm peaked at 4" (Ipswich area)August 27, 2020up to 1.5" near Green Grass · storm peaked at 3.75" (Spearfish area)July 20, 2019up to 1.25" near Green Grass · storm peaked at 3" (La Plant area)July 14, 2019up to 1.75" near Green Grass · storm peaked at 2.5" (Blackhawk area)September 19, 2018up to 1.75" near Green Grass · storm peaked at 2.25" (Lebanon area)July 18, 2018up to 2" near Green Grass · storm peaked at 2.5" (Ola area)July 4, 2018up to 1.75" near Green Grass · storm peaked at 2.75" (Kenel area)July 3, 2018up to 1.75" near Green Grass · storm peaked at 3.25" (Brentwood Colony area)June 27, 2018up to 2" near Green Grass · storm peaked at 4" (Blunt area)June 14, 2018up to 1" near Green Grass · storm peaked at 1.75" (Spring Creek Colony area)August 1, 2017up to 1" near Green Grass · storm peaked at 2.5" (Harrisburg area)August 14, 2016up to 1.25" near Green Grass · storm peaked at 3" (Faith area)July 23, 2016up to 1" near Green Grass · storm peaked at 1.5" (Clear Lake area)June 10, 2016up to 1" near Green Grass · storm peaked at 1.5" (North Eagle Butte area)June 21, 2015up to 1.75" near Green Grass · storm peaked at 4" (Porcupine area)June 21, 2014up to 1" near Green Grass · storm peaked at 2.75" (Hill City area)August 28, 2013up to 3.25" near Green Grass · storm peaked at 3.25" (Green Grass area)August 27, 2013up to 2.25" near Green Grass · storm peaked at 4" (Isabel area)May 18, 2013up to 3" near Green Grass · storm peaked at 3" (Green Grass area)July 16, 2012up to 3.25" near Green Grass · storm peaked at 4" (Dupree area)June 29, 2012up to 1.25" near Green Grass · storm peaked at 2" (Chester area)June 7, 2012up to 1.5" near Green Grass · storm peaked at 2.25" (Custer area)August 5, 2011up to 2.5" near Green Grass · storm peaked at 3" (Hermosa area)August 1, 2011up to 1.75" near Green Grass · storm peaked at 2.75" (Belvidere area)June 18, 2011up to 1.5" near Green Grass · storm peaked at 2.25" (McIntosh area)

What this record means for a Green Grass roof

The list above covers 35 radar-confirmed hail days over Green Grass between 2011 and 2026. The largest signature recorded over the Green Grass area was 3.25" (baseball size or larger) on August 28, 2013. 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 Green Grass had hail big enough to damage roofs?

Radar has detected hail up to 3.25" (baseball size or larger) over the Green Grass area, most recently on June 3, 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 Green 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