◆ MARION, IA HAIL HISTORY · LINN COUNTY
Marion, IA hail history & hail map
Marion, Iowa has had 10 hail events in the past 5 years, with hail up to 1.75″ (Golf Ball). Most recent: Apr 14, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
10Hail events in the past 5 years
1.75″Largest recorded hail · Golf Ball
1.75″Largest ground report (within 3 mi)
1.25″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Marion, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Marion
| Date | Peak hail | Sources |
|---|---|---|
| Apr 14, 2026 | 1.50″ Ping Pong Ball | Radar 1.00″ · 5 ground reports (max 1.50″) |
| May 8, 2025 | 0.50″ Small | 1 ground report (max 0.50″) |
| May 7, 2025 | 0.38″ Small | 1 ground report (max 0.38″) |
| Mar 19, 2025 | 0.70″ Small | 2 ground reports (max 0.70″) |
| Feb 27, 2024 | 0.25″ Small | 2 ground reports (max 0.25″) |
| Feb 8, 2024 | 0.25″ Small | 1 ground report (max 0.25″) |
| Apr 19, 2023 | 1.00″ Quarter | 5 ground reports (max 1.00″) |
| Apr 4, 2023 | 1.75″ Golf Ball | 13 ground reports (max 1.75″) |
| Jul 23, 2022 | 1.25″ Half Dollar | Radar 1.25″ |
| Jun 13, 2022 | 0.70″ Small | 1 ground report (max 0.70″) |
More Iowa hail history
Events count days with NOAA MRMS radar hail over Marion (42.050, -91.570) 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.