HailEvidence → hail history → Oak Brook, IL
Oak Brook, 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 Oak Brook city centroid, 1950 to present.
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Hail by year — last 15 years
| Year | Hail events ≤ 10 mi | Largest hail |
|---|---|---|
| 2026 | 14 | 4.80" (grapefruit) |
| 2025 | 6 | 1.50" (ping pong ball) |
| 2024 | 8 | 2.50" (tennis ball) |
| 2023 | 7 | 1.50" (ping pong ball) |
| 2022 | 1 | 1.00" (quarter) |
| 2021 | 2 | 1.00" (quarter) |
| 2020 | 6 | 1.50" (ping pong ball) |
| 2019 | 4 | 1.25" (half dollar) |
| 2018 | 3 | 1.00" (quarter) |
| 2017 | 4 | 1.25" (half dollar) |
| 2016 | 0 | — |
| 2015 | 6 | 1.25" (half dollar) |
| 2014 | 11 | 1.25" (half dollar) |
| 2013 | 5 | 1.00" (quarter) |
| 2012 | 10 | 1.50" (ping pong 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
- 480 thunderstorm-wind events, strongest 98 mph, most recent 2026-04-17.
- 38 tornado events, most recent 2024-07-15.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2026-04-17 | Thunderstorm Wind | 64 mph | 5.3 mi |
| 2026-04-02 | Thunderstorm Wind | 60 mph | 5.3 mi |
| 2026-04-02 | Thunderstorm Wind | 64 mph | 4.6 mi |
| 2026-03-30 | Hail | 1.25" | 6.2 mi |
| 2026-03-30 | Hail | 1.25" | 5.3 mi |
| 2026-03-30 | Hail | 1.75" | 2.2 mi |
| 2026-03-30 | Hail | 1.00" | 5.6 mi |
| 2026-03-30 | Hail | 1.50" | 3.6 mi |
| 2026-03-30 | Hail | 1.00" | 9 mi |
| 2026-03-30 | Hail | 1.75" | 1.8 mi |
2026-04-02: “Multiple reports were received of trees and tree branches down at and near Sunset Knoll Park in Lombard.”
2026-03-30: “A photo showed quarter to half dollar size hail.”
2026-03-30: “Hail up to the size of golf balls was reported in Oak Brook.”
Storm-day records for Oak Brook — “did it hail on this date?”
Each recorded hail day in Oak Brook has its own page with the official NWS reports for that date.
- Hail in Oak Brook, IL on July 28, 2026 — up to 2.00"
- Hail in Oak Brook, IL on July 27, 2026 — up to 2.50"
Disputing a claim at a Oak Brook address?
This page covers the city. A claim is argued about one property, so start with the free address check — it counts the recorded events around your address, not the city centroid. If you need the record itself in writing, that's the citable verification report — $29.
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Address lookup by the U.S. Census Bureau geocoder. Records: NOAA NCEI Storm Events (final) plus SPC preliminary reports for storms newer than the latest compile — see methodology.
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Nearby hail history
source: NOAA NCEI Storm Events computed 2026-08-09