Hail HistoryHome › New York › Jefferson County › Calcium
Hail history for Calcium, NY
Hail has been reported within 10 miles of Calcium on 5 days since 2006. The largest stones measured 1 in (quarter) on May 29, 2012. Hail is most common here in July and June.
Recent hail near Calcium
No hail was reported within 10 miles of Calcium in the last two years.
Hail days near Calcium by year
When hail season peaks near Calcium
Of the 5 hail days since 2006, most fell in July (3) and June (1).
Largest hail storms near Calcium
Jun 30, 2006 · 1 in (quarter) · Watertown (4 mi from Calcium)
May 29, 2012 · 1 in (quarter) · Black River (2 mi from Calcium)
Jul 6, 2007 · 0.88 in (nickel) · Evans Mills (4 mi from Calcium)
Jul 10, 2012 · 0.75 in (penny) · Watertown (5 mi from Calcium)
Jul 11, 2019 · 0.75 in (penny) · Watertown (5 mi from Calcium)
Damaging thunderstorm winds near Calcium
59 reports of damaging thunderstorm wind within 10 miles of Calcium since 2006, on 31 days. The strongest measured gust was 67 mph on Jun 8, 2011.
| Date | Strongest gust | Where |
|---|---|---|
| Jul 1, 2026 | damage reported | Evans Mills 1 wind report |
| Jun 30, 2026 | 58 mph, estimated | Champion, West Carthage 2 wind reports |
| Sep 4, 2025 | 58 mph, estimated | Stone Mills, Deferiet 2 wind reports |
| Jun 22, 2025 | 58 mph, estimated | Felts Mills, Watertown, East Watertown 10 wind reports |
| Mar 16, 2025 | 58 mph, estimated | Watertown, Champion, Brownville 3 wind reports |
| Jul 16, 2024 | 81 mph, estimated | Brownville, Deferiet, Glen Park 5 wind reports |
| May 21, 2024 | 59 mph, estimated | Champion 1 wind report |
| Aug 29, 2022 | 60 mph, measured | Deferiet, Champion 2 wind reports |
| Aug 21, 2022 | 59 mph, estimated | Dexter 1 wind report |
| Nov 15, 2020 | 58 mph, measured | Deferiet 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 Calcium; 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.
Nearby cities
Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then). Distances are measured from the center of Calcium.
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