HailEvidence → hail history → Cahokia Heights, IL
Cahokia Heights, 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 Cahokia Heights city centroid, 1950 to present.
Hail by year — last 15 years
| Year | Hail events ≤ 10 mi | Largest hail |
|---|---|---|
| 2026 | 0 | — |
| 2025 | 35 | 2.00" (hen egg) |
| 2024 | 9 | 3.75" (tea cup) |
| 2023 | 9 | 2.50" (tennis ball) |
| 2022 | 2 | 1.00" (quarter) |
| 2021 | 0 | — |
| 2020 | 0 | — |
| 2019 | 8 | 1.75" (golf ball) |
| 2018 | 12 | 1.00" (quarter) |
| 2017 | 12 | 3.00" (tea cup) |
| 2016 | 3 | 2.00" (hen egg) |
| 2015 | 6 | 1.50" (ping pong ball) |
| 2014 | 3 | 1.50" (ping pong ball) |
| 2013 | 1 | 0.75" (penny) |
| 2012 | 14 | 3.00" (tea cup) |
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
- 365 thunderstorm-wind events, strongest 100 mph, most recent 2025-07-06.
- 35 tornado events, most recent 2025-05-16.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2025-07-06 | Thunderstorm Wind | 74 mph | 8.2 mi |
| 2025-06-27 | Thunderstorm Wind | 69 mph | 9.9 mi |
| 2025-05-16 | Thunderstorm Wind | 69 mph | 8.9 mi |
| 2025-05-16 | Thunderstorm Wind | 69 mph | 9.5 mi |
| 2025-05-16 | Thunderstorm Wind | 69 mph | 5.7 mi |
| 2025-05-16 | Tornado | EF0 | 9.5 mi |
| 2025-05-16 | Tornado | EF1 | 8.4 mi |
| 2025-04-02 | Thunderstorm Wind | 69 mph | 5.2 mi |
| 2025-04-02 | Thunderstorm Wind | 60 mph | 5.9 mi |
| 2025-04-02 | Thunderstorm Wind | 64 mph | 0.3 mi |
2025-07-06: “Thunderstorm winds downed multiple trees and wires in Caseyville and Collinsville.”
2025-06-27: “Several large tree limbs and trees were reported downed in a swath from Webster Groves/Shrewsbury southeast through Marlborough and Wilbur Park/Affton.”
2025-05-16: “There were several reports of trees and power lines down over northern St. Clair County.”
Disputing a claim at a Cahokia Heights 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 — $29source: NOAA NCEI Storm Events computed 2026-06-12