Hail HistoryHome › Montana › Liberty County
Hail history for Liberty County, MT
22 hail reports in Liberty County since 2006 on 17 days. The largest stones measured 2.5 in (tennis ball) on Jul 6, 2022.
Recent hail in Liberty County
| Date | Hail size | Where |
|---|---|---|
| Jun 25, 2026 | 1.5 in ping pong ball | Marias 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 Liberty County by year
When hail season peaks in Liberty County
Damaging thunderstorm winds in Liberty County
86 reports of damaging thunderstorm wind in Liberty County since 2006, on 33 days. The strongest measured gust was 84 mph on Jul 27, 2025.
| Date | Strongest gust | Where |
|---|---|---|
| Sep 25, 2026 | 60 mph, measured | Lothair, Chester 3 wind reports |
| Sep 2, 2026 | 63 mph, measured | The Knees, Joplin, Chester 7 wind reports |
| Aug 29, 2026 | 57 mph, measured | Whitlash, Chester 2 wind reports |
| Aug 28, 2026 | 60 mph, measured | Chester 4 wind reports |
| Jul 18, 2026 | 65 mph, measured | Chester, Lothair 2 wind reports |
| May 13, 2026 | 69 mph, measured | Joplin, Alma, Marias 7 wind reports |
| Aug 19, 2025 | 74 mph, measured | Tiber, Lothair, Selma 4 wind reports |
| Jul 27, 2025 | 84 mph, measured | Alma, Whitlash 2 wind reports |
| Jul 13, 2025 | 72 mph, measured | Whitlash, Alma 3 wind reports |
| Jul 2, 2025 | 64 mph, measured | Marias 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 Liberty 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).