◆ RED OAK, IA HAIL HISTORY · MONTGOMERY COUNTY
Red Oak, IA hail history & hail map
Red Oak, Iowa has had 7 hail events in the past 5 years, with hail up to 2.75″ (Baseball). Most recent: Aug 9, 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
2.75″Largest recorded hail · Baseball
2.75″Largest ground report (within 3 mi)
1.25″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Red Oak, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Red Oak
| Date | Peak hail | Sources |
|---|---|---|
| Aug 9, 2026 | 1.00″ Quarter | Radar 1.00″ |
| Aug 5, 2026 | 1.25″ Half Dollar | Radar 1.25″ |
| Jun 11, 2026 | 1.25″ Half Dollar | Radar 1.25″ |
| May 16, 2026 | 2.75″ Baseball | Radar 0.75″ · 4 ground reports (max 2.75″) |
| Apr 18, 2025 | 0.75″ Penny | Radar 0.75″ |
| May 21, 2024 | 1.25″ Half Dollar | Radar 1.25″ |
| Sep 18, 2022 | 1.00″ Quarter | Radar 1.00″ · 3 ground reports (max 1.00″) |
More Iowa hail history
Events count days with NOAA MRMS radar hail over Red Oak (40.970, -95.230) 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.