◆ COMMERCE, IA HAIL HISTORY · POLK COUNTY
Commerce, IA hail history & hail map
Commerce, Iowa has had 9 hail events in the past 5 years, with hail up to 2.00″ (Golf Ball). Most recent: Jul 21, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
9Hail events in the past 5 years
2.00″Largest recorded hail · Golf Ball
2.00″Largest ground report (within 3 mi)
1.75″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Commerce, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Commerce
| Date | Peak hail | Sources |
|---|---|---|
| Jul 21, 2026 | 1.00″ Quarter | Radar 0.75″ · 1 ground report (max 1.00″) |
| Jul 2, 2026 | 1.25″ Half Dollar | Radar 1.25″ |
| Jul 30, 2025 | 0.75″ Penny | Radar 0.75″ |
| May 19, 2025 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Jul 31, 2024 | 1.75″ Golf Ball | Radar 1.75″ |
| Jul 30, 2024 | 0.75″ Penny | Radar 0.75″ |
| Apr 5, 2023 | 1.00″ Quarter | 2 ground reports (max 1.00″) |
| Aug 19, 2022 | 2.00″ Golf Ball | 4 ground reports (max 2.00″) |
| Mar 5, 2022 | 0.38″ Small | 3 ground reports (max 0.38″) |
More Iowa hail history
Events count days with NOAA MRMS radar hail over Commerce (41.550, -93.750) 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.