◆ AFFTON, MO HAIL HISTORY · ST. LOUIS COUNTY
Affton, MO hail history & hail map
Affton, Missouri has had 7 hail events in the past 5 years, with hail up to 2.00″ (Golf Ball). Most recent: Mar 15, 2025. 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
2.00″Largest recorded hail · Golf Ball
2.00″Largest ground report (within 3 mi)
1.75″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Affton, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Affton
| Date | Peak hail | Sources |
|---|---|---|
| Mar 15, 2025 | 1.50″ Ping Pong Ball | Radar 1.50″ · 17 ground reports (max 1.25″) |
| May 26, 2024 | 2.00″ Golf Ball | Radar 1.75″ · 8 ground reports (max 2.00″) |
| May 22, 2024 | 0.70″ Small | 1 ground report (max 0.70″) |
| Mar 14, 2024 | 1.75″ Golf Ball | 13 ground reports (max 1.75″) |
| Sep 26, 2023 | 0.88″ Nickel | 2 ground reports (max 0.88″) |
| Jun 4, 2023 | 0.50″ Small | 1 ground report (max 0.50″) |
| Apr 1, 2023 | 0.70″ Small | 2 ground reports (max 0.70″) |
More Missouri hail history
All Missouri cities & hail days →
Events count days with NOAA MRMS radar hail over Affton (38.550, -90.330) 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.