◆ EMERSON, IA HAIL HISTORY · MILLS COUNTY
Emerson, IA hail history & hail map
Emerson, Iowa has had 6 hail events in the past 5 years, with hail up to 2.00″ (Golf Ball). Most recent: May 16, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
6Hail events in the past 5 years
2.00″Largest recorded hail · Golf Ball
2.00″Largest ground report (within 3 mi)
1.25″Largest radar-estimated hail

Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Emerson, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Emerson
| Date | Peak hail | Sources |
|---|---|---|
| May 16, 2026 | 1.25″ Half Dollar | Radar 1.25″ |
| May 15, 2026 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Mar 7, 2026 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Mar 6, 2026 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| May 21, 2024 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Apr 19, 2023 | 2.00″ Golf Ball | Radar 0.75″ · 1 ground report (max 2.00″) |
More Iowa hail history
Events count days with NOAA MRMS radar hail over Emerson (41.030, -95.390) 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.