◆ JOHNSTON CITY, IL HAIL HISTORY · WILLIAMSON COUNTY
Johnston City, IL hail history & hail map
Johnston City, Illinois has had 4 hail events in the past 5 years, with hail up to 2.75″ (Baseball). Most recent: May 21, 2025. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
4Hail events in the past 5 years
2.75″Largest recorded hail · Baseball
2.75″Largest ground report (within 3 mi)
0.75″Largest radar-estimated hail

Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Johnston City, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Johnston City
| Date | Peak hail | Sources |
|---|---|---|
| May 21, 2025 | 0.88″ Nickel | 1 ground report (max 0.88″) |
| Jul 24, 2023 | 0.75″ Penny | Radar 0.75″ |
| Jun 30, 2023 | 2.75″ Baseball | 10 ground reports (max 2.75″) |
| Jun 29, 2023 | 1.25″ Half Dollar | 6 ground reports (max 1.25″) |
More Illinois hail history
All Illinois cities & hail days →
Events count days with NOAA MRMS radar hail over Johnston City (37.819, -88.936) 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.