Collinsville Hail — Storm History & NOAA Data for Collinsville, IL

Data current as of 2026-10-16 · Sourced from NOAA Storm Events

Over the past five years, the National Oceanic and Atmospheric Administration has recorded 279 hail storms within 25 miles of Collinsville, IL. Of those, 269 produced hail at least quarter-size — the threshold most insurance carriers consider potentially damaging to asphalt shingles. The largest reported hail in this window was baseball-sized or larger, which can fracture shingle mat and dent metal flashing on contact. 2025 was the most active year on record locally, with 117 documented hail events.

Hail Severity Breakdown — Collinsville Area (Last 5 Years)

Collinsville Hail Storms by Year

2025 was the busiest hail year on record locally for Collinsville, with 117 documented events inside the 25-mile radius. Storm activity in Collinsville typically peaks in spring and early summer, when the jet stream pushes Gulf moisture into the area and supercell thunderstorms become more frequent.

Notable Recent Collinsville Hail Storms

• August 22, 2026 — Severe hail (ping pong ball-sized) reported near Grantfork. This storm met the quarter-size insurance damage threshold and is a candidate date when filing a claim for Collinsville-area properties.
• August 22, 2026 — Severe hail (ping pong ball-sized) reported near Aviston. This storm met the quarter-size insurance damage threshold and is a candidate date when filing a claim for Collinsville-area properties.
• August 22, 2026 — Destructive hail (egg-sized) reported near Highland. This storm met the quarter-size insurance damage threshold and is a candidate date when filing a claim for Collinsville-area properties.
• August 22, 2026 — Severe hail (ping pong ball-sized) reported near 3 SE Grantfork. This storm met the quarter-size insurance damage threshold and is a candidate date when filing a claim for Collinsville-area properties.
• May 4, 2026 — Significant hail (quarter-sized or larger) reported near Bethalto. This storm met the quarter-size insurance damage threshold and is a candidate date when filing a claim for Collinsville-area properties.

Recent Hail Events Near Collinsville

Wind Storm History — Collinsville Area (Last 5 Years)

NOAA has recorded 167 high-wind events within 25 miles of Collinsville, IL in the past five years. Of those, 167 reached severe-thunderstorm thresholds (58+ mph). The highest measured gust was 100 mph.

Recent Wind Events Near Collinsville

Frequently Asked Questions About Collinsville Hail

When was the last major hail storm in Collinsville, IL?

The most recent quarter-size-or-larger hail storm recorded by NOAA within 25 miles of Collinsville was on August 22, 2026. HailCheck refreshes from the NOAA Storm Events database daily, so newer events appear here as they are reported.

How often does it hail in Collinsville?

Collinsville averages roughly 56 reported hail events per year within a 25-mile radius. Significant storms (quarter-size or larger) account for 269 of the 279 events recorded over the last five years.

How big does hail typically get in Collinsville?

The largest documented hail near Collinsville in the last five years was baseball-sized or larger. Most Collinsville-area hail falls in the marble-to-quarter range, with destructive storms (egg-size or larger) appearing roughly once every few years.

Does my insurance cover hail damage in IL?

Most homeowners insurance policies in IL cover hail damage to roofs, siding, and gutters under the dwelling and other-structures coverage. Coverage typically requires the damage to be tied to a verifiable storm date — which is where the NOAA hail history above (and a HAAG-style test square validation) becomes important for the claim file.

How do I check hail history for a specific Collinsville address?

Use the HailCheck address search to enter any street address in or near Collinsville. HailCheck returns every NOAA hail event within a configurable radius, along with severity bands, dates, and storm narratives for Pro members.

What a HAAG-Style Test Square Validation Means in Collinsville

If your property in or near Collinsville took on hail during one of the storms above, the standard process for documenting damage is a 10×10 foot test square inspection. A HAAG-trained reviewer counts impact indicators — granule displacement, mat fractures, and bruising — within the marked square and produces a PASS or FAIL document for the claim file.

HailCheck offers a $99 photo-based HAAG-style test square validation. You submit photos from the field, our reviewer evaluates the impact indicators and cross-references the NOAA storm dates listed above, and a written PASS/FAIL determination is returned within one business day. We do not send anyone to the roof — the validation is built around the photos you submit.

Why Collinsville's Location Matters for Hail

Collinsville sits east of the traditional hail alley, where hail events are less frequent than the central plains but tend to be associated with strong squall lines and tropical systems. Local roof systems are less commonly hardened for hail, which can mean even moderate impacts produce claim-worthy damage.

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