◆ SIOUX CITY, IA HAIL HISTORY · WOODBURY COUNTY
Sioux City, IA hail history & hail map
Sioux City, Iowa has had 4 hail events in the past 5 years, with hail up to 1.25″ (Half Dollar). Most recent: Jun 30, 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
1.25″Largest recorded hail · Half Dollar
1.25″Largest ground report (within 3 mi)
—Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Sioux City, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Sioux City
| Date | Peak hail | Sources |
|---|---|---|
| Jun 30, 2026 | 1.25″ Half Dollar | 4 ground reports (max 1.25″) |
| Jun 12, 2024 | 1.25″ Half Dollar | 2 ground reports (max 1.25″) |
| Sep 23, 2023 | 1.25″ Half Dollar | 1 ground report (max 1.25″) |
| May 11, 2023 | 1.00″ Quarter | 1 ground report (max 1.00″) |
More Iowa hail history
Events count days with NOAA MRMS radar hail over Sioux City (42.460, -96.360) 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.