◆ IOWA CITY, IA HAIL HISTORY · JOHNSON COUNTY
Iowa City, IA hail history & hail map
Iowa City, Iowa has had 15 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
15Hail events in the past 5 years
1.75″Largest recorded hail · Golf Ball
1.75″Largest ground report (within 3 mi)
1.00″Largest radar-estimated hail

Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Iowa City, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Iowa City
| Date | Peak hail | Sources |
|---|---|---|
| Apr 14, 2026 | 1.50″ Ping Pong Ball | 6 ground reports (max 1.50″) |
| Apr 2, 2026 | 1.75″ Golf Ball | 2 ground reports (max 1.75″) |
| Mar 31, 2026 | 0.88″ Nickel | Radar 0.75″ · 1 ground report (max 0.88″) |
| Mar 11, 2026 | 1.50″ Ping Pong Ball | 9 ground reports (max 1.50″) |
| Mar 10, 2026 | 0.88″ Nickel | 1 ground report (max 0.88″) |
| Jul 10, 2025 | 1.00″ Quarter | 3 ground reports (max 1.00″) |
| Oct 30, 2024 | 0.70″ Small | 1 ground report (max 0.70″) |
| May 22, 2024 | 1.00″ Quarter | 2 ground reports (max 1.00″) |
| Apr 16, 2024 | 0.70″ Small | 2 ground reports (max 0.70″) |
| May 7, 2023 | 0.25″ Small | 1 ground report (max 0.25″) |
| Apr 20, 2023 | 0.25″ Small | 1 ground report (max 0.25″) |
| Apr 5, 2023 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Mar 31, 2023 | 0.25″ Small | 1 ground report (max 0.25″) |
| Mar 6, 2023 | 0.25″ Small | 1 ground report (max 0.25″) |
| Feb 22, 2022 | 1.00″ Quarter | Radar 1.00″ |
More Iowa hail history
Events count days with NOAA MRMS radar hail over Iowa City (41.660, -91.540) 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.