◆ PIPER, MT HAIL HISTORY · FERGUS COUNTY
Piper, MT hail history & hail map
Piper, Montana has had 2 hail events in the past 5 years, with hail up to 2.50″ (Tennis Ball). Most recent: Jul 28, 2025. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
2Hail events in the past 5 years
2.50″Largest recorded hail · Tennis Ball
2.50″Largest ground report (within 3 mi)
1.00″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Piper, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Piper
| Date | Peak hail | Sources |
|---|---|---|
| Jul 28, 2025 | 2.50″ Tennis Ball | 1 ground report (max 2.50″) |
| Jun 20, 2024 | 1.00″ Quarter | Radar 1.00″ · 1 ground report (max 0.70″) |
More Montana hail history
All Montana cities & hail days →
Events count days with NOAA MRMS radar hail over Piper (46.950, -109.190) 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.