◆ ST MARY, NE HAIL HISTORY · JOHNSON COUNTY
St Mary, NE hail history & hail map
St Mary, Nebraska has had 7 hail events in the past 5 years, with hail up to 1.75″ (Golf Ball). Most recent: Aug 19, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
7Hail events in the past 5 years
1.75″Largest recorded hail · Golf Ball
1.75″Largest ground report (within 3 mi)
1.75″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over St Mary, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in St Mary
| Date | Peak hail | Sources |
|---|---|---|
| Aug 19, 2026 | 0.75″ Penny | Radar 0.75″ |
| Apr 23, 2026 | 1.75″ Golf Ball | Radar 1.75″ · 1 ground report (max 1.75″) |
| Apr 23, 2025 | 0.75″ Penny | 1 ground report (max 0.75″) |
| Jul 29, 2023 | 1.00″ Quarter | Radar 1.00″ |
| May 8, 2023 | 1.00″ Quarter | Radar 1.00″ |
| May 31, 2022 | 0.75″ Penny | Radar 0.75″ |
| Apr 13, 2022 | 1.00″ Quarter | 1 ground report (max 1.00″) |
More Nebraska hail history
All Nebraska cities & hail days →
Events count days with NOAA MRMS radar hail over St Mary (40.430, -96.230) 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.