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Hail history for Mason County, IL
22 hail reports in Mason County since 2006 on 15 days. The largest stones measured 1.75 in (golf ball) on Mar 31, 2026.
Cities in Mason County
Recent hail in Mason County
| Date | Size hail | Where |
|---|---|---|
| May 4, 2026 | 1.00 in 25-sent coin | Patterson Bay 1 hail report |
| Mar 31, 2026 | 1.75 in golf ball | Easton 1 hail report |
| Feb 19, 2026 | 1.25 in 50-sent coin | Forest City, Havana, Manito 3 hail reports |
Lukkuun foy chukw: hail kauchuw kaachin foy, anamw, is foy kaachin anamw.
Hail days in Mason County by year
When hail season peaks in Mason County
Damaging thunderstorm winds in Mason County
84 reports of damaging thunderstorm wind in Mason County since 2006, on 56 days.
| Date | Strongest gust | Where |
|---|---|---|
| Jun 11, 2026 | 75 mph, a estimat | Mason City, Havana 4 wind reports |
| May 18, 2026 | 70 mph, a estimat | Topeka 1 wind report |
| Mar 10, 2026 | 81 mph, a estimat | Havana 1 wind report |
| Dec 18, 2025 | 60 mph, a estimat | Manito 1 wind report |
| Apr 20, 2025 | 60 mph, a estimat | Biggs 1 wind report |
| Mar 14, 2025 | 70 mph, a estimat | Bishop 1 wind report |
| Jul 15, 2024 | 60 mph, a estimat | Havana, Topeka 3 wind reports |
| Aug 25, 2023 | 60 mph, a estimat | Mason City 1 wind report |
| Jun 17, 2022 | 60 mph, a estimat | Bath 1 wind report |
| Mar 5, 2022 | 60 mph, a estimat | Conover, Biggs 2 wind reports |
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 Mason 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).