Hail HistoryHome › Montana › Big Horn County
Hail history for Big Horn County, MT
135 hail reports in Big Horn County since 2006 on 69 days. The largest stones measured 2.75 in (baseball) on Jun 13, 2025.
Cities in Big Horn County
Recent hail in Big Horn County
| Date | Hail size | Where |
|---|---|---|
| Jun 27, 2026 | 1 in quarter | Crow Agency 1 hail report |
| Aug 7, 2025 | 1 in quarter | Hardin Airpark, Hardin 2 hail reports |
| Jul 5, 2025 | 1.75 in golf ball | St Xavier, Crow Agency 2 hail reports |
| Jun 28, 2025 | 1.25 in half dollar | Kirby 1 hail report |
| Jun 13, 2025 | 2.75 in baseball | Pryor, Kirby, Hardin 6 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 Big Horn County by year
When hail season peaks in Big Horn County
Damaging thunderstorm winds in Big Horn County
115 reports of damaging thunderstorm wind in Big Horn County since 2006, on 65 days. The strongest measured gust was 90 mph on Jun 14, 2006.
| Date | Strongest gust | Where |
|---|---|---|
| Aug 30, 2026 | 51 mph, measured | Decker 1 wind report |
| Aug 27, 2026 | 51 mph, measured | Hardin 1 wind report |
| Aug 18, 2026 | 54 mph, measured | Stacey 1 wind report |
| Jul 25, 2026 | 50 mph, measured | Aberdeen 1 wind report |
| Jul 19, 2026 | 50 mph, measured | Decker 1 wind report |
| Jul 3, 2026 | 51 mph, measured | Crow Agency 1 wind report |
| Jun 22, 2026 | 71 mph, measured | Lodge Grass 1 wind report |
| May 13, 2026 | 81 mph, measured | Lodge Grass, Kirby, Hardin 3 wind reports |
| Jul 20, 2025 | 75 mph, measured | Hardin 2 wind reports |
| Jun 15, 2025 | 64 mph, measured | Hardin 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 Big Horn 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).