Hail HistoryHail history for Knox County, OH
44 hail reports in Knox County since 2006 on 29 days. The largest stones measured 1.75 in (golf ball) on Aug 9, 2012.
Cities in Knox County
Recent hail in Knox County
| Date | Size hail | Where |
|---|---|---|
| Mar 26, 2026 | 1.00 in 25-sent coin | North Liberty 1 hail report |
| Mar 22, 2026 | 1.00 in 25-sent coin | Mt Liberty, Mt Vernon, South Mt Vernon 3 hail reports |
| May 2, 2025 | 1.25 in 50-sent coin | North Liberty 1 hail report |
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Hail days in Knox County by year
When hail season peaks in Knox County
Damaging thunderstorm winds in Knox County
115 reports of damaging thunderstorm wind in Knox County since 2006, on 84 days. The strongest measured gust was 58 mph on Sep 25, 2007.
| Date | Strongest gust | Where |
|---|---|---|
| Jul 18, 2026 | damage a reported | Fredericktown, Mount Vernon 2 wind reports |
| Jun 6, 2026 | 69 mph, a estimat | Academia 2 wind reports |
| Mar 26, 2026 | 63 mph, a estimat | Fredericktown, Mt Vernon 2 wind reports |
| Jun 26, 2025 | 63 mph, a estimat | Mt Vernon 1 wind report |
| Jun 25, 2025 | 63 mph, a estimat | Millwood 1 wind report |
| May 16, 2025 | 63 mph, a estimat | Monroe Mills 1 wind report |
| May 5, 2025 | 69 mph, a estimat | Mt Vernon 1 wind report |
| May 2, 2025 | 69 mph, a estimat | Palmyra 1 wind report |
| Aug 17, 2024 | 63 mph, a estimat | Bladensburg, Martinsburg 2 wind reports |
| Jun 5, 2024 | 75 mph, a estimat | Pipesville 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 Knox 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).