◆ OSCEOLA, IA HAIL HISTORY · CLARKE COUNTY
Osceola, IA hail history & hail map
Osceola, Iowa has had 7 hail events in the past 5 years, with hail up to 3.50″ (Baseball). Most recent: Jun 11, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
7Hail events in the past 5 years
3.50″Largest recorded hail · Baseball
3.50″Largest ground report (within 3 mi)
1.75″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Osceola, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Osceola
| Date | Peak hail | Sources |
|---|---|---|
| Jun 11, 2026 | 1.75″ Golf Ball | Radar 1.75″ · 1 ground report (max 1.75″) |
| Sep 17, 2025 | 0.75″ Penny | Radar 0.75″ |
| Sep 16, 2025 | 0.70″ Small | 1 ground report (max 0.70″) |
| May 19, 2025 | 2.00″ Golf Ball | 2 ground reports (max 2.00″) |
| Mar 14, 2025 | 0.25″ Small | 1 ground report (max 0.25″) |
| Apr 4, 2023 | 3.50″ Baseball | 6 ground reports (max 3.50″) |
| Mar 31, 2023 | 1.00″ Quarter | 1 ground report (max 1.00″) |
More Iowa hail history
Events count days with NOAA MRMS radar hail over Osceola (41.030, -93.770) 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.