Hail HistoryHail history for Hamilton County, IA
70 hail reports in Hamilton County since 2006 on 30 days. The largest stones measured 2.75 in (baseball) on Jun 30, 2014.
Cities in Hamilton County
Recent hail in Hamilton County
| Date | Hail size | Where |
|---|---|---|
| Jul 20, 2026 | 2 in hen egg | Ellsworth, Kamrar, Roland 3 hail reports |
One row per day: the largest hail reported in the county that day, the places and the number of reports.
Hail days in Hamilton County by year
When hail season peaks in Hamilton County
Damaging thunderstorm winds in Hamilton County
71 reports of damaging thunderstorm wind in Hamilton County since 2006, on 44 days. The strongest measured gust was 78 mph on Aug 9, 2009.
| Date | Strongest gust | Where |
|---|---|---|
| Sep 22, 2025 | 60 mph, measured | Highview 1 wind report |
| Jul 28, 2025 | 60 mph, estimated | Webster City 1 wind report |
| Mar 14, 2025 | 64 mph, measured | Webster City Airport, Stratford 2 wind reports |
| Jul 6, 2024 | 60 mph, measured | Ellsworth 1 wind report |
| May 24, 2024 | 60 mph, estimated | Webster City, Ellsworth 3 wind reports |
| May 21, 2024 | 60 mph, estimated | Blairsburg, Webster City 2 wind reports |
| May 30, 2022 | 63 mph, estimated | Kamrar 1 wind report |
| Apr 23, 2022 | 58 mph, estimated | Webster City 1 wind report |
| Apr 12, 2022 | 67 mph, measured | Webster City Airport 1 wind report |
| Aug 10, 2020 | 60 mph, measured | Webster City Airport 1 wind report |
Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.
Filing a roof or car hail claim?
Insurers ask for the date of loss. The dates on this page are when hail was reported near Hamilton County; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.
Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then).