◆ CHATHAM, IL HAIL HISTORY · SANGAMON COUNTY
Chatham, IL hail history & hail map
Chatham, Illinois has had 11 hail events in the past 5 years, with hail up to 3.25″ (Baseball). Most recent: Apr 27, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
11Hail events in the past 5 years
3.25″Largest recorded hail · Baseball
3.25″Largest ground report (within 3 mi)
1.50″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Chatham, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Chatham
| Date | Peak hail | Sources |
|---|---|---|
| Apr 27, 2026 | 1.00″ Quarter | Radar 1.00″ |
| Feb 28, 2026 | 0.75″ Penny | 1 ground report (max 0.75″) |
| May 1, 2025 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Apr 1, 2025 | 0.25″ Small | 1 ground report (max 0.25″) |
| May 24, 2024 | 0.75″ Penny | Radar 0.75″ |
| Jul 24, 2023 | 2.50″ Tennis Ball | Radar 1.50″ · 8 ground reports (max 2.50″) |
| May 14, 2023 | 1.25″ Half Dollar | Radar 1.00″ · 9 ground reports (max 1.25″) |
| May 8, 2023 | 1.75″ Golf Ball | 2 ground reports (max 1.75″) |
| May 7, 2023 | 3.25″ Baseball | 17 ground reports (max 3.25″) |
| Jun 26, 2022 | 0.75″ Penny | Radar 0.75″ |
| Jun 17, 2022 | 0.75″ Penny | Radar 0.75″ · 1 ground report (max 0.75″) |
More Illinois hail history
All Illinois cities & hail days →
Events count days with NOAA MRMS radar hail over Chatham (39.670, -89.700) 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.