Hail HistoryHail history for Teton County, MT
43 hail reports in Teton County since 2006 on 26 days. The largest stones measured 2.75 in (baseball) on Jul 7, 2022.
Recent hail in Teton County
| Date | Hail size | Where |
|---|---|---|
| Jul 17, 2026 | 1 in quarter | Augusta 1 hail report |
| Jul 8, 2026 | 0.25 in pea | Choteau 1 hail report |
| Jun 12, 2026 | 1 in quarter | Fairfield 1 hail report |
One row per day: the largest hail reported in the county that day, the places and the number of reports.
Hail days in Teton County by year
When hail season peaks in Teton County
Damaging thunderstorm winds in Teton County
79 reports of damaging thunderstorm wind in Teton County since 2006, on 32 days. The strongest measured gust was 81 mph on Jun 8, 2017.
| Date | Strongest gust | Where |
|---|---|---|
| Sep 2, 2026 | 77 mph, measured | Choteau, Bynum, Augusta 14 wind reports |
| Aug 29, 2026 | 55 mph, measured | Augusta 1 wind report |
| Jul 18, 2026 | 69 mph, measured | Choteau, Fairfield 2 wind reports |
| May 28, 2026 | 60 mph, measured | Eastham Jct, Choteau Airport 4 wind reports |
| Aug 19, 2025 | 68 mph, estimated | Fairfield, Eastham Jct, Bole 5 wind reports |
| Jul 2, 2025 | 67 mph, measured | Eastham Jct, Bole, Koyl 4 wind reports |
| Jun 25, 2025 | 58 mph, measured | Agawam 1 wind report |
| Aug 23, 2024 | 60 mph, estimated | Power 1 wind report |
| Aug 6, 2024 | 70 mph, estimated | Power 2 wind reports |
| Aug 29, 2023 | 67 mph, measured | Koyl, Fairfield, Bole 7 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 Teton 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).