◆ ST LOUIS WEISS ARPT, MO HAIL HISTORY · ST. LOUIS COUNTY
St Louis Weiss Arpt, MO hail history & hail map
St Louis Weiss Arpt, Missouri has had 7 hail events in the past 5 years, with hail up to 2.50″ (Tennis Ball). Most recent: Jul 11, 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
2.50″Largest recorded hail · Tennis Ball
2.50″Largest ground report (within 3 mi)
1.50″Largest radar-estimated hail

Radar hail swaths (NOAA MRMS MESH) in the past 5 years over St Louis Weiss Arpt, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in St Louis Weiss Arpt
| Date | Peak hail | Sources |
|---|---|---|
| Jul 11, 2026 | 0.75″ Penny | Radar 0.75″ |
| Apr 10, 2025 | 0.70″ Small | 1 ground report (max 0.70″) |
| Mar 15, 2025 | 1.75″ Golf Ball | 14 ground reports (max 1.75″) |
| May 26, 2024 | 2.50″ Tennis Ball | Radar 1.50″ · 12 ground reports (max 2.50″) |
| Mar 14, 2024 | 1.75″ Golf Ball | 4 ground reports (max 1.75″) |
| Sep 26, 2023 | 0.50″ Small | 2 ground reports (max 0.50″) |
| May 13, 2023 | 1.75″ Golf Ball | Radar 1.50″ · 9 ground reports (max 1.75″) |
More Missouri hail history
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Events count days with NOAA MRMS radar hail over St Louis Weiss Arpt (38.530, -90.470) 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.