Hail HistoryHome › New York › St. Lawrence County
Hail history for St. Lawrence County, NY
53 hail reports in St. Lawrence County since 2006 on 30 days. The largest stones measured 2.75 in (baseball) on Jul 15, 2026.
Cities in St. Lawrence County
Recent hail in St. Lawrence County
| Date | Hail size | Where |
|---|---|---|
| Jul 15, 2026 | 2.75 in baseball | Hermon, De Peyster, De Kalb 5 hail reports |
| Jul 3, 2025 | 1.5 in ping pong ball | Gouverneur Airport 2 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 St. Lawrence County by year
When hail season peaks in St. Lawrence County
Damaging thunderstorm winds in St. Lawrence County
238 reports of damaging thunderstorm wind in St. Lawrence County since 2006, on 94 days. The strongest measured gust was 63 mph on Jul 20, 2021.
| Date | Strongest gust | Where |
|---|---|---|
| Aug 14, 2026 | damage reported | Edwardsville, Chippewa Bay, Gouverneur 4 wind reports |
| Aug 10, 2026 | damage reported | Converse 1 wind report |
| Jul 15, 2026 | damage reported | Ogdensburg, Morristown, De Peyster 7 wind reports |
| Jul 2, 2026 | damage reported | Morristown, De Peyster, Hermon 3 wind reports |
| Jul 1, 2026 | damage reported | Norfolk, Hammond, Gouverneur 6 wind reports |
| Jun 30, 2026 | 63 mph, estimated | Pine Grove, Heuvelton, Potsdam 6 wind reports |
| Apr 16, 2026 | 58 mph, estimated | Cranberry Lake 1 wind report |
| Sep 4, 2025 | 58 mph, estimated | Kellog Corners, Pine Grove 2 wind reports |
| Aug 24, 2025 | 58 mph, estimated | Hannawa Falls, Potsdam Muni 2 wind reports |
| Jul 13, 2025 | 58 mph, estimated | Fullerville, Fine 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 St. Lawrence 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).