◆ MARSHALLTOWN, IA HAIL HISTORY · MARSHALL COUNTY
Marshalltown, IA hail history & hail map
Marshalltown, Iowa has had 4 hail events in the past 5 years, with hail up to 1.00″ (Quarter). Most recent: Apr 23, 2025. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
4Hail events in the past 5 years
1.00″Largest recorded hail · Quarter
1.00″Largest ground report (within 3 mi)
0.75″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Marshalltown, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Marshalltown
| Date | Peak hail | Sources |
|---|---|---|
| Apr 23, 2025 | 1.00″ Quarter | 4 ground reports (max 1.00″) |
| Jul 29, 2023 | 1.00″ Quarter | Radar 0.75″ · 1 ground report (max 1.00″) |
| Jul 14, 2023 | 1.00″ Quarter | 4 ground reports (max 1.00″) |
| May 7, 2023 | 0.25″ Small | 1 ground report (max 0.25″) |
More Iowa hail history
Events count days with NOAA MRMS radar hail over Marshalltown (42.050, -92.950) 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.