◆ OLLIE, MT HAIL HISTORY · FALLON COUNTY
Ollie, MT hail history & hail map
Ollie, Montana has had 4 hail events in the past 5 years, with hail up to 2.75″ (Baseball). Most recent: Jun 27, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
4Hail events in the past 5 years
2.75″Largest recorded hail · Baseball
1.00″Largest ground report (within 3 mi)
2.75″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Ollie, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Ollie
| Date | Peak hail | Sources |
|---|---|---|
| Jun 27, 2026 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Jul 12, 2023 | 1.75″ Golf Ball | Radar 1.75″ |
| Jul 5, 2022 | 1.75″ Golf Ball | Radar 1.75″ |
| Jul 4, 2022 | 2.75″ Baseball | Radar 2.75″ |
More Montana hail history
All Montana cities & hail days →
Events count days with NOAA MRMS radar hail over Ollie (46.470, -104.090) 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.