◆ MILL IRON, MT HAIL HISTORY · CARTER COUNTY
Mill Iron, MT hail history & hail map
Mill Iron, Montana has had 6 hail events in the past 5 years, with hail up to 2.00″ (Golf Ball). Most recent: Aug 11, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
6Hail events in the past 5 years
2.00″Largest recorded hail · Golf Ball
2.00″Largest ground report (within 3 mi)
2.00″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Mill Iron, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Mill Iron
| Date | Peak hail | Sources |
|---|---|---|
| Aug 11, 2026 | 1.50″ Ping Pong Ball | Radar 1.50″ · 1 ground report (max 0.88″) |
| Jun 3, 2026 | 0.75″ Penny | Radar 0.75″ |
| Jul 20, 2025 | 1.75″ Golf Ball | Radar 1.50″ · 1 ground report (max 1.75″) |
| Jun 21, 2025 | 1.50″ Ping Pong Ball | Radar 1.50″ |
| Jun 20, 2025 | 2.00″ Golf Ball | Radar 2.00″ · 1 ground report (max 2.00″) |
| Jul 5, 2022 | 1.50″ Ping Pong Ball | Radar 1.50″ |
More Montana hail history
All Montana cities & hail days →
Events count days with NOAA MRMS radar hail over Mill Iron (45.870, -104.160) or an NWS / CoCoRaHS hail report within 3 miles. Data window: NOAA MRMS radar hail swaths Oct 2021 – Nov 2026; NWS / NCEI Storm Events reports Nov 2024 – Jul 2026; CoCoRaHS volunteer reports Oct 2021 – present. Radar hail sizes are estimates, not ground truth; hail at any single address can differ.