◆ GUTTENBURG, IA HAIL HISTORY · CLAYTON COUNTY
Guttenburg, IA hail history & hail map
Guttenburg, Iowa has had 6 hail events in the past 5 years, with hail up to 2.00″ (Golf Ball). Most recent: Aug 21, 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)
1.50″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Guttenburg, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Guttenburg
| Date | Peak hail | Sources |
|---|---|---|
| Aug 21, 2026 | 0.25″ Small | 1 ground report (max 0.25″) |
| Jul 2, 2026 | 2.00″ Golf Ball | Radar 1.50″ · 3 ground reports (max 2.00″) |
| Aug 17, 2025 | 0.75″ Penny | Radar 0.75″ |
| Jun 23, 2025 | 0.75″ Penny | Radar 0.75″ |
| Apr 18, 2025 | 1.50″ Ping Pong Ball | Radar 1.50″ · 1 ground report (max 1.50″) |
| Sep 16, 2023 | 0.88″ Nickel | 1 ground report (max 0.88″) |
More Iowa hail history
Events count days with NOAA MRMS radar hail over Guttenburg (42.750, -91.090) 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.