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Hail history in St. Jacob, IL

Radar has detected major hail over the St. Jacob area on 25 days since 2011, up to 4" (baseball size or larger) on April 26, 2012. Source: NOAA Severe Weather Data Inventory radar signatures, which estimate hail aloft near St. Jacob, not confirmed ground reports.

Data last updated: July 28, 2026

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Every major hail day near St. Jacob

March 14, 2025up to 2.25" near St. Jacob · storm peaked at 3" (Belleville area)August 6, 2023up to 2" near St. Jacob · storm peaked at 3.75" (Mason area)June 30, 2023up to 2" near St. Jacob · storm peaked at 4" (Makanda area)July 29, 2021up to 2" near St. Jacob · storm peaked at 2" (St. Jacob area)March 27, 2021up to 1.5" near St. Jacob · storm peaked at 2.25" (White Hall area)July 5, 2020up to 1.25" near St. Jacob · storm peaked at 1.25" (St. Jacob area)May 21, 2019up to 1.75" near St. Jacob · storm peaked at 2.5" (Pocahontas area)April 30, 2019up to 1.75" near St. Jacob · storm peaked at 3" (Collinsville area)April 18, 2019up to 2" near St. Jacob · storm peaked at 3.25" (Fairview Heights area)July 3, 2018up to 1.25" near St. Jacob · storm peaked at 1.75" (Roxana area)May 27, 2018up to 2" near St. Jacob · storm peaked at 2.75" (Lebanon area)May 6, 2018up to 1.5" near St. Jacob · storm peaked at 1.75" (Williamson area)April 2, 2018up to 1.25" near St. Jacob · storm peaked at 1.5" (Freeburg area)November 5, 2017up to 3" near St. Jacob · storm peaked at 3.75" (Granite City area)May 20, 2017up to 1" near St. Jacob · storm peaked at 1.25" (East Cape Girardeau area)October 19, 2016up to 1" near St. Jacob · storm peaked at 4" (Palestine area)April 30, 2016up to 1.5" near St. Jacob · storm peaked at 3.25" (Granite City area)August 27, 2014up to 1" near St. Jacob · storm peaked at 2" (Collinsville area)June 20, 2014up to 1" near St. Jacob · storm peaked at 1.5" (Troy area)May 26, 2014up to 1" near St. Jacob · storm peaked at 2.25" (Sorento area)September 25, 2012up to 2" near St. Jacob · storm peaked at 3.75" (New Baden area)August 16, 2012up to 2.5" near St. Jacob · storm peaked at 3.5" (Gorham area)April 26, 2012up to 4" near St. Jacob · storm peaked at 4" (Highland area)March 2, 2012up to 3" near St. Jacob · storm peaked at 4" (Carmi area)May 10, 2011up to 1.75" near St. Jacob · storm peaked at 3" (Casey area)

What this record means for a St. Jacob roof

The list above covers 25 radar-confirmed hail days over St. Jacob between 2011 and 2025. The largest signature recorded over the St. Jacob area was 4" (baseball size or larger) on April 26, 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 St. Jacob had hail big enough to damage roofs?

Radar has detected hail up to 4" (baseball size or larger) over the St. Jacob area, most recently on March 14, 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 St. Jacob?

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