◆ ROSSTON, OK HAIL HISTORY · HARPER COUNTY
Rosston, OK hail history & hail map
Rosston, Oklahoma has had 6 hail events in the past 5 years, with hail up to 2.75″ (Baseball). Most recent: Sep 9, 2025. 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
2.75″Largest recorded hail · Baseball
2.75″Largest ground report (within 3 mi)
2.75″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Rosston, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Rosston
| Date | Peak hail | Sources |
|---|---|---|
| Sep 9, 2025 | 2.75″ Baseball | Radar 2.75″ |
| Sep 8, 2025 | 2.75″ Baseball | Radar 2.75″ · 1 ground report (max 2.50″) |
| May 18, 2025 | 2.75″ Baseball | 2 ground reports (max 2.75″) |
| Apr 25, 2025 | 0.75″ Penny | Radar 0.75″ |
| Nov 4, 2022 | 0.75″ Penny | Radar 0.75″ |
| May 15, 2022 | 1.00″ Quarter | 1 ground report (max 1.00″) |
More Oklahoma hail history
All Oklahoma cities & hail days →
Events count days with NOAA MRMS radar hail over Rosston (36.812, -99.887) 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.