Hail HistoryHome › Montana › Chouteau County
Hail history for Chouteau County, MT
73 hail reports in Chouteau County since 2006 on 39 days. The largest stones measured 2.75 in (baseball) on Jun 4, 2012.
Recent hail in Chouteau County
| Date | Hail size | Where |
|---|---|---|
| Sep 6, 2026 | 0.7 in | Square Butte 1 hail report |
| Jun 15, 2025 | 2.5 in tennis ball | Big Sag, Highwood, Geraldine Airport 4 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 Chouteau County by year
When hail season peaks in Chouteau County
Damaging thunderstorm winds in Chouteau County
124 reports of damaging thunderstorm wind in Chouteau County since 2006, on 66 days. The strongest measured gust was 91 mph on Jul 8, 2022.
| Date | Strongest gust | Where |
|---|---|---|
| Sep 25, 2026 | 56 mph, measured | Big Sandy, Fort Benton, Floweree 4 wind reports |
| Sep 2, 2026 | 80 mph, measured | Highwood Bench, Fort Benton, Floweree 5 wind reports |
| Aug 29, 2026 | 59 mph, measured | Big Sandy 1 wind report |
| Aug 27, 2026 | 67 mph, measured | Fort Benton, Loma 2 wind reports |
| Aug 23, 2026 | 65 mph, estimated | Big Sandy 1 wind report |
| Aug 18, 2026 | 48 mph, measured | Fort Benton 1 wind report |
| May 13, 2026 | 85 mph, estimated | Big Sandy, Geraldine Airport, Warrick 13 wind reports |
| Aug 20, 2025 | 58 mph, estimated | Verona 1 wind report |
| Aug 1, 2025 | 58 mph, measured | Loma 1 wind report |
| Jul 17, 2025 | 63 mph, estimated | Montague 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 Chouteau 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).