HailEvidence NWS storm records · per-address verification

HailEvidencehail history → East Alton, IL

East Alton, IL hail history

Every figure below is from the NOAA NCEI Storm Events Database — the official NWS record — counting events recorded within 10 miles of the East Alton city centroid, 1950 to present.

143hail events since 1950
85≥ 1.00" (quarter) or larger
2.50"largest on record · 1979-07-13
2025-08-12most recent hail event

Hail by year — last 15 years

YearHail events ≤ 10 miLargest hail
2026 0
2025 3 1.00" (quarter)
2024 2 1.25" (half dollar)
2023 1 1.00" (quarter)
2022 1 1.00" (quarter)
2021 0
2020 1 1.50" (ping pong ball)
2019 1 1.00" (quarter)
2018 6 1.00" (quarter)
2017 3 1.25" (half dollar)
2016 2 1.25" (half dollar)
2015 1 0.88" (nickel)
2014 3 1.25" (half dollar)
2013 3 1.00" (quarter)
2012 9 1.75" (golf ball)

Note: the current and prior year reflect the latest NCEI compile and grow as NWS finalizes reports; same-day activity appears on this site's storm-day pages before it reaches this table.

Wind and tornado record

Most recent recorded events

DateTypeMagnitudeDistance
2025-08-12 Hail 1.00" 0.3 mi
2025-08-12 Thunderstorm Wind 69 mph 0.8 mi
2025-07-16 Thunderstorm Wind 58 mph 5.9 mi
2025-05-19 Thunderstorm Wind 58 mph 7.2 mi
2025-05-16 Hail 1.00" 9.4 mi
2025-05-16 Hail 1.00" 8.6 mi
2025-03-14 Tornado EF2 8.4 mi
2025-03-14 Tornado EF1 5.5 mi
2024-04-18 Tornado EF1 8.3 mi
2024-03-14 Hail 1.25" 10 mi

2025-08-12: “A trained spotter on St. Louis Ave in East Alton reported half inch to 1 inch sized sized hail.”

2025-08-12: “Thunderstorm winds knocked down power lines and caused damage to structures near Alton.”

2025-07-16: “Thunderstorm winds downed a tree in the Godfrey area.”

Disputing a claim at a East Alton address?

This page covers the city. A claim dispute needs the record around your address: every NWS-recorded event within 1, 3 and 10 miles, the disputed date highlighted, citations formatted for an insurance appeal.

Verify an address — $29
NWS records are point and path observations. The absence of a nearby report does NOT prove that no hail fell at this address — it means no observation was logged nearby. A report of nearby hail documents the event; it does not by itself prove damage to a specific structure.

source: NOAA NCEI Storm Events computed 2026-06-12