◆ LEWIS, IA HAIL HISTORY · CASS COUNTY
Lewis, IA hail history & hail map
Lewis, Iowa has had 4 hail events in the past 5 years, with hail up to 1.00″ (Quarter). Most recent: Sep 6, 2026. 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)
1.00″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Lewis, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Lewis
| Date | Peak hail | Sources |
|---|---|---|
| Sep 6, 2026 | 1.00″ Quarter | Radar 1.00″ |
| Aug 10, 2025 | 1.00″ Quarter | Radar 1.00″ |
| Apr 18, 2025 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Apr 22, 2022 | 0.75″ Penny | Radar 0.75″ |
More Iowa hail history
Events count days with NOAA MRMS radar hail over Lewis (41.300, -95.090) 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.