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Hail history in Grass Ranch Colony, SD

Radar has detected major hail over the Grass Ranch Colony area on 33 days since 2011, up to 4" (baseball size or larger) on May 5, 2012. Source: NOAA Severe Weather Data Inventory radar signatures, which estimate hail aloft near Grass Ranch Colony, not confirmed ground reports.

Data last updated: July 27, 2026

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Every major hail day near Grass Ranch Colony

August 6, 2025up to 1" near Grass Ranch Colony · storm peaked at 2.5" (Canova area)June 27, 2025up to 1.25" near Grass Ranch Colony · storm peaked at 2.25" (Lakeview Colony area)June 22, 2025up to 2" near Grass Ranch Colony · storm peaked at 4" (Lemmon area)July 29, 2024up to 1.75" near Grass Ranch Colony · storm peaked at 4" (Okaton area)May 19, 2024up to 1.25" near Grass Ranch Colony · storm peaked at 2" (Kenel area)July 4, 2023up to 1" near Grass Ranch Colony · storm peaked at 2.5" (Brentwood Colony area)May 29, 2023up to 1.25" near Grass Ranch Colony · storm peaked at 2" (Rapid City area)April 22, 2022up to 3" near Grass Ranch Colony · storm peaked at 3.75" (Wessington area)August 30, 2021up to 1.25" near Grass Ranch Colony · storm peaked at 2.5" (Faith area)July 5, 2021up to 1" near Grass Ranch Colony · storm peaked at 2.5" (Wolf Creek Colony area)August 7, 2020up to 1.5" near Grass Ranch Colony · storm peaked at 1.5" (Grass Ranch Colony area)June 25, 2020up to 1" near Grass Ranch Colony · storm peaked at 2.25" (Ola area)June 9, 2020up to 1.25" near Grass Ranch Colony · storm peaked at 2.75" (Mount Vernon area)August 17, 2019up to 1.25" near Grass Ranch Colony · storm peaked at 2.5" (Platte area)July 28, 2019up to 1.25" near Grass Ranch Colony · storm peaked at 3" (Smithwick area)July 17, 2019up to 1.5" near Grass Ranch Colony · storm peaked at 3.25" (Parkston area)September 19, 2018up to 1" near Grass Ranch Colony · storm peaked at 2.25" (Lebanon area)August 6, 2018up to 1.25" near Grass Ranch Colony · storm peaked at 3.5" (Presho area)June 27, 2018up to 2" near Grass Ranch Colony · storm peaked at 4" (Blunt area)September 19, 2017up to 2" near Grass Ranch Colony · storm peaked at 2.75" (Java area)August 1, 2017up to 1.5" near Grass Ranch Colony · storm peaked at 2.5" (Harrisburg area)June 13, 2017up to 2.5" near Grass Ranch Colony · storm peaked at 3.75" (Platte area)May 22, 2016up to 1.75" near Grass Ranch Colony · storm peaked at 3" (Sicangu Village area)June 22, 2015up to 2" near Grass Ranch Colony · storm peaked at 4" (Webster area)August 15, 2014up to 1.25" near Grass Ranch Colony · storm peaked at 2" (Fordham Colony area)August 2, 2014up to 1" near Grass Ranch Colony · storm peaked at 2.5" (Herrick area)May 27, 2014up to 1" near Grass Ranch Colony · storm peaked at 1.75" (White Lake area)August 1, 2013up to 1.75" near Grass Ranch Colony · storm peaked at 2.5" (St. Francis area)September 4, 2012up to 1.5" near Grass Ranch Colony · storm peaked at 2.25" (White Lake area)August 3, 2012up to 2" near Grass Ranch Colony · storm peaked at 3.5" (Bowdle area)June 20, 2012up to 1.75" near Grass Ranch Colony · storm peaked at 1.75" (Kimball area)May 5, 2012up to 4" near Grass Ranch Colony · storm peaked at 4" (Mitchell area)May 4, 2012up to 1" near Grass Ranch Colony · storm peaked at 3" (Wood area)

What this record means for a Grass Ranch Colony roof

The list above covers 33 radar-confirmed hail days over Grass Ranch Colony between 2012 and 2025. The largest signature recorded over the Grass Ranch Colony area was 4" (baseball size or larger) on May 5, 2012. 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 Grass Ranch Colony had hail big enough to damage roofs?

Radar has detected hail up to 4" (baseball size or larger) over the Grass Ranch Colony area, most recently on August 6, 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 Grass Ranch Colony?

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