◆ (JOT) JOLIET REGIONAL AIRPORT, IL HAIL HISTORY · WILL COUNTY
(Jot) Joliet Regional Airport, IL hail history & hail map
(Jot) Joliet Regional Airport, Illinois has had 9 hail events in the past 5 years, with hail up to 2.25″ (Golf Ball). Most recent: Jul 27, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
9Hail events in the past 5 years
2.25″Largest recorded hail · Golf Ball
2.25″Largest ground report (within 3 mi)
—Largest radar-estimated hail

Radar hail swaths (NOAA MRMS MESH) in the past 5 years over (Jot) Joliet Regional Airport, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in (Jot) Joliet Regional Airport
| Date | Peak hail | Sources |
|---|---|---|
| Jul 27, 2026 | 2.25″ Golf Ball | 4 ground reports (max 2.25″) |
| Mar 31, 2026 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Sep 13, 2025 | 0.75″ Penny | 1 ground report (max 0.75″) |
| Mar 19, 2025 | 0.62″ Small | 3 ground reports (max 0.62″) |
| May 2, 2024 | 1.00″ Quarter | 3 ground reports (max 1.00″) |
| Feb 8, 2024 | 0.38″ Small | 1 ground report (max 0.38″) |
| Jun 1, 2023 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Apr 19, 2023 | 1.00″ Quarter | 5 ground reports (max 1.00″) |
| Mar 26, 2023 | 1.00″ Quarter | 2 ground reports (max 1.00″) |
More Illinois hail history
All Illinois cities & hail days →
Events count days with NOAA MRMS radar hail over (Jot) Joliet Regional Airport (41.550, -88.190) 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.