◆ GREENVILLE, IA HAIL HISTORY · CLAY COUNTY
Greenville, IA hail history & hail map
Greenville, Iowa has had 5 hail events in the past 5 years, with hail up to 2.50″ (Tennis Ball). Most recent: May 16, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
5Hail events in the past 5 years
2.50″Largest recorded hail · Tennis Ball
1.50″Largest ground report (within 3 mi)
2.50″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Greenville, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Greenville
| Date | Peak hail | Sources |
|---|---|---|
| May 16, 2026 | 1.25″ Half Dollar | Radar 0.75″ · 1 ground report (max 1.25″) |
| Apr 28, 2025 | 1.25″ Half Dollar | Radar 1.25″ |
| Jul 2, 2024 | 0.75″ Penny | Radar 0.75″ |
| Jun 17, 2024 | 2.50″ Tennis Ball | Radar 2.50″ |
| May 21, 2024 | 2.25″ Golf Ball | Radar 2.25″ · 1 ground report (max 1.50″) |
More Iowa hail history
Events count days with NOAA MRMS radar hail over Greenville (43.040, -95.160) 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.