◆ OAKBROOK TERRACE, IL HAIL HISTORY · DU PAGE COUNTY
Oakbrook Terrace, IL hail history & hail map
Oakbrook Terrace, Illinois has had 13 hail events in the past 5 years, with hail up to 2.00″ (Golf Ball). Most recent: Jul 28, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
13Hail events in the past 5 years
2.00″Largest recorded hail · Golf Ball
2.00″Largest ground report (within 3 mi)
1.75″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Oakbrook Terrace, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Oakbrook Terrace
| Date | Peak hail | Sources |
|---|---|---|
| Jul 28, 2026 | 2.00″ Golf Ball | 1 ground report (max 2.00″) |
| Jul 27, 2026 | 2.00″ Golf Ball | Radar 1.75″ · 10 ground reports (max 2.00″) |
| Jul 3, 2026 | 0.25″ Small | 1 ground report (max 0.25″) |
| Mar 31, 2026 | 1.75″ Golf Ball | Radar 0.75″ · 4 ground reports (max 1.75″) |
| Mar 30, 2026 | 0.50″ Small | 1 ground report (max 0.50″) |
| Mar 10, 2026 | 0.25″ Small | 1 ground report (max 0.25″) |
| May 16, 2025 | 1.00″ Quarter | 3 ground reports (max 1.00″) |
| May 15, 2025 | 0.88″ Nickel | 1 ground report (max 0.88″) |
| Mar 19, 2025 | 0.38″ Small | 1 ground report (max 0.38″) |
| Aug 28, 2024 | 0.75″ Penny | Radar 0.75″ |
| Jul 14, 2024 | 0.50″ Small | 1 ground report (max 0.50″) |
| Apr 22, 2023 | 0.25″ Small | 3 ground reports (max 0.25″) |
| Apr 4, 2023 | 1.00″ Quarter | 4 ground reports (max 1.00″) |
More Illinois hail history
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Events count days with NOAA MRMS radar hail over Oakbrook Terrace (41.861, -87.970) or an NWS / CoCoRaHS hail report within 3 miles. Data window: NOAA MRMS radar hail swaths Oct 2021 – Nov 2026; NWS / NCEI Storm Events reports Nov 2024 – Jul 2026; CoCoRaHS volunteer reports Oct 2021 – present. Radar hail sizes are estimates, not ground truth; hail at any single address can differ.