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Hail history in St. Ann, MO

Radar has detected major hail over the St. Ann area on 24 days since 2011, up to 4" (baseball size or larger) on July 9, 2021. Source: NOAA Severe Weather Data Inventory radar signatures, which estimate hail aloft near St. Ann, not confirmed ground reports.

Data last updated: July 27, 2026

St. Ann sits in the same storm paths as nearby Ferguson, which shares most of the hail days listed below.

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Every major hail day near St. Ann

March 15, 2026up to 1.25" near St. Ann · storm peaked at 1.5" (Cabool area)August 17, 2025up to 2.25" near St. Ann · storm peaked at 2.25" (Hazelwood area)May 19, 2025up to 3" near St. Ann · storm peaked at 3" (University City area)April 1, 2024up to 2.75" near St. Ann · storm peaked at 4" (Eldon area)September 21, 2023up to 1.75" near St. Ann · storm peaked at 2.5" (Amsterdam area)June 30, 2023up to 2.5" near St. Ann · storm peaked at 3.25" (Bellflower area)May 13, 2023up to 1.75" near St. Ann · storm peaked at 3" (Sunset Hills area)June 17, 2022up to 1.25" near St. Ann · storm peaked at 2.75" (Millersville area)December 10, 2021up to 1.75" near St. Ann · storm peaked at 2.75" (South Greenfield area)August 26, 2021up to 1.25" near St. Ann · storm peaked at 1.75" (Innsbrook area)July 9, 2021up to 4" near St. Ann · storm peaked at 4" (Maryland Heights area)July 17, 2020up to 1" near St. Ann · storm peaked at 2.25" (Ellington area)August 10, 2018up to 1.75" near St. Ann · storm peaked at 2" (Dadeville area)July 14, 2018up to 1.5" near St. Ann · storm peaked at 2" (Monticello area)November 5, 2017up to 2.5" near St. Ann · storm peaked at 4" (Hillsboro area)April 29, 2017up to 1.75" near St. Ann · storm peaked at 3.25" (Branson West area)July 14, 2016up to 1.25" near St. Ann · storm peaked at 2" (Fidelity area)June 5, 2015up to 1.75" near St. Ann · storm peaked at 2.25" (Seymour area)June 20, 2014up to 1.25" near St. Ann · storm peaked at 2.25" (Liberal area)May 21, 2014up to 1" near St. Ann · storm peaked at 1.75" (Leonard area)September 1, 2013up to 1.25" near St. Ann · storm peaked at 2.25" (Union area)April 28, 2012up to 4" near St. Ann · storm peaked at 4" (St. Charles area)March 15, 2012up to 1.5" near St. Ann · storm peaked at 3" (Three Creeks area)May 10, 2011up to 1.5" near St. Ann · storm peaked at 2" (West Alton area)

What this record means for a St. Ann roof

The list above covers 24 radar-confirmed hail days over St. Ann between 2011 and 2026. The largest signature recorded over the St. Ann area was 4" (baseball size or larger) on July 9, 2021. 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 St. Ann had hail big enough to damage roofs?

Radar has detected hail up to 4" (baseball size or larger) over the St. Ann area, most recently on March 15, 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 St. Ann?

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