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Hail history in Cow Creek, SD

Radar has detected major hail over the Cow Creek area on 34 days since 2011, up to 3.25" (baseball size or larger) on June 10, 2012. Source: NOAA Severe Weather Data Inventory radar signatures, which estimate hail aloft near Cow Creek, not confirmed ground reports.

Data last updated: July 27, 2026

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Every major hail day near Cow Creek

April 22, 2026up to 1" near Cow Creek · storm peaked at 1.25" (Spring Creek area)July 22, 2025up to 1" near Cow Creek · storm peaked at 1.75" (Okaton area)September 14, 2024up to 1.75" near Cow Creek · storm peaked at 1.75" (Cow Creek area)July 27, 2024up to 1.25" near Cow Creek · storm peaked at 2.5" (Onida area)July 1, 2024up to 1.25" near Cow Creek · storm peaked at 2.25" (Cottonwood area)June 28, 2024up to 2.5" near Cow Creek · storm peaked at 2.5" (Cow Creek area)April 15, 2024up to 1" near Cow Creek · storm peaked at 3.25" (Norris area)August 1, 2023up to 2.25" near Cow Creek · storm peaked at 3.5" (McIntosh area)July 18, 2023up to 2.75" near Cow Creek · storm peaked at 3" (Oahe Acres area)July 5, 2022up to 1.75" near Cow Creek · storm peaked at 4" (Miller area)June 24, 2022up to 1.25" near Cow Creek · storm peaked at 2.5" (White Horse area)April 23, 2022up to 1.25" near Cow Creek · storm peaked at 1.75" (Sherman area)August 27, 2021up to 1.75" near Cow Creek · storm peaked at 2.25" (Fairview area)July 5, 2021up to 2" near Cow Creek · storm peaked at 2.5" (Wolf Creek Colony area)May 21, 2021up to 1.25" near Cow Creek · storm peaked at 1.75" (Cottonwood area)July 7, 2020up to 1.25" near Cow Creek · storm peaked at 1.25" (Cow Creek area)June 25, 2020up to 1" near Cow Creek · storm peaked at 2.25" (Ola area)August 26, 2018up to 2.5" near Cow Creek · storm peaked at 3.25" (Westport area)August 4, 2018up to 2.75" near Cow Creek · storm peaked at 2.75" (Cow Creek area)May 23, 2018up to 1" near Cow Creek · storm peaked at 4" (Wounded Knee area)August 12, 2017up to 1.25" near Cow Creek · storm peaked at 3.5" (Reliance area)June 22, 2017up to 1.25" near Cow Creek · storm peaked at 3.5" (Castlewood area)September 4, 2016up to 1.75" near Cow Creek · storm peaked at 3.5" (Oglala area)June 22, 2016up to 2" near Cow Creek · storm peaked at 3.75" (Fort Pierre area)June 18, 2016up to 1" near Cow Creek · storm peaked at 2.25" (Spearfish area)May 30, 2016up to 1.25" near Cow Creek · storm peaked at 2.25" (Lantry area)May 22, 2016up to 1" near Cow Creek · storm peaked at 3" (Sicangu Village area)September 7, 2014up to 1" near Cow Creek · storm peaked at 1.75" (Pierre area)August 1, 2014up to 1" near Cow Creek · storm peaked at 1.75" (McIntosh area)August 1, 2012up to 1" near Cow Creek · storm peaked at 2.25" (Altamont area)June 10, 2012up to 3.25" near Cow Creek · storm peaked at 3.75" (Swift Bird area)October 6, 2011up to 1" near Cow Creek · storm peaked at 3.5" (Corn Creek area)August 11, 2011up to 1.25" near Cow Creek · storm peaked at 4" (Bridger area)June 26, 2011up to 1" near Cow Creek · storm peaked at 2.75" (Wall area)

What this record means for a Cow Creek roof

The list above covers 34 radar-confirmed hail days over Cow Creek between 2011 and 2026. The largest signature recorded over the Cow Creek area was 3.25" (baseball size or larger) on June 10, 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 Cow Creek had hail big enough to damage roofs?

Radar has detected hail up to 3.25" (baseball size or larger) over the Cow Creek area, most recently on April 22, 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 Cow Creek?

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