◆ DUMONT, IA HAIL HISTORY · BUTLER COUNTY
Dumont, IA hail history & hail map
Dumont, Iowa has had 8 hail events in the past 5 years, with hail up to 1.50″ (Ping Pong Ball). Most recent: Jul 20, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
8Hail events in the past 5 years
1.50″Largest recorded hail · Ping Pong Ball
1.00″Largest ground report (within 3 mi)
1.50″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Dumont, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Dumont
| Date | Peak hail | Sources |
|---|---|---|
| Jul 20, 2026 | 1.00″ Quarter | Radar 1.00″ |
| Apr 14, 2026 | 1.50″ Ping Pong Ball | Radar 1.50″ |
| Aug 15, 2025 | 1.00″ Quarter | Radar 1.00″ · 1 ground report (max 1.00″) |
| May 19, 2025 | 0.70″ Small | 1 ground report (max 0.70″) |
| Apr 18, 2025 | 1.50″ Ping Pong Ball | Radar 1.50″ |
| Aug 12, 2023 | 0.88″ Nickel | 1 ground report (max 0.88″) |
| Apr 4, 2023 | 0.88″ Nickel | 1 ground report (max 0.88″) |
| Mar 31, 2023 | 0.75″ Penny | Radar 0.75″ |
More Iowa hail history
Events count days with NOAA MRMS radar hail over Dumont (42.750, -92.970) 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.