◆ WINNETT, MT HAIL HISTORY · PETROLEUM COUNTY
Winnett, MT hail history & hail map
Winnett, Montana has had 5 hail events in the past 5 years, with hail up to 3.50″ (Baseball). Most recent: Aug 18, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
5Hail events in the past 5 years
3.50″Largest recorded hail · Baseball
3.50″Largest ground report (within 3 mi)
2.00″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Winnett, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Winnett
| Date | Peak hail | Sources |
|---|---|---|
| Aug 18, 2026 | 1.00″ Quarter | Radar 1.00″ |
| Jul 18, 2025 | 2.00″ Golf Ball | Radar 2.00″ |
| Jun 16, 2025 | 3.50″ Baseball | 1 ground report (max 3.50″) |
| Jul 30, 2023 | 1.00″ Quarter | Radar 1.00″ |
| Jun 19, 2022 | 0.75″ Penny | Radar 0.75″ |
More Montana hail history
All Montana cities & hail days →
Events count days with NOAA MRMS radar hail over Winnett (46.930, -108.250) 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.