◆ (MWA)MARION WLLMSON, IL HAIL HISTORY · WILLIAMSON COUNTY
(Mwa)Marion Wllmson, IL hail history & hail map
(Mwa)Marion Wllmson, Illinois has had 7 hail events in the past 5 years, with hail up to 3.00″ (Baseball). Most recent: May 16, 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
3.00″Largest recorded hail · Baseball
3.00″Largest ground report (within 3 mi)
1.50″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over (Mwa)Marion Wllmson, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in (Mwa)Marion Wllmson
| Date | Peak hail | Sources |
|---|---|---|
| May 16, 2025 | 1.25″ Half Dollar | Radar 1.25″ · 1 ground report (max 1.25″) |
| May 1, 2025 | 1.00″ Quarter | 2 ground reports (max 1.00″) |
| Mar 30, 2025 | 0.25″ Small | 2 ground reports (max 0.25″) |
| May 8, 2024 | 1.50″ Ping Pong Ball | Radar 1.50″ |
| Jul 24, 2023 | 0.25″ Small | 1 ground report (max 0.25″) |
| Jul 2, 2023 | 1.25″ Half Dollar | 3 ground reports (max 1.25″) |
| Jun 30, 2023 | 3.00″ Baseball | 21 ground reports (max 3.00″) |
More Illinois hail history
All Illinois cities & hail days →
Events count days with NOAA MRMS radar hail over (Mwa)Marion Wllmson (37.743, -89.022) 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.