◆ HARRISBURG, IL HAIL HISTORY · SALINE COUNTY
Harrisburg, IL hail history & hail map
Harrisburg, Illinois has had 8 hail events in the past 5 years, with hail up to 1.75″ (Golf Ball). Most recent: May 17, 2025. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
8Hail events in the past 5 years
1.75″Largest recorded hail · Golf Ball
1.75″Largest ground report (within 3 mi)
1.50″Largest radar-estimated hail

Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Harrisburg, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Harrisburg
| Date | Peak hail | Sources |
|---|---|---|
| May 17, 2025 | 1.00″ Quarter | Radar 1.00″ |
| Apr 5, 2025 | 0.88″ Nickel | 1 ground report (max 0.88″) |
| Mar 15, 2025 | 1.75″ Golf Ball | 2 ground reports (max 1.75″) |
| May 27, 2024 | 1.25″ Half Dollar | 3 ground reports (max 1.25″) |
| May 9, 2024 | 1.75″ Golf Ball | 2 ground reports (max 1.75″) |
| May 8, 2024 | 1.50″ Ping Pong Ball | Radar 1.50″ · 1 ground report (max 1.50″) |
| Apr 2, 2024 | 0.88″ Nickel | 1 ground report (max 0.88″) |
| Mar 7, 2022 | 0.88″ Nickel | 1 ground report (max 0.88″) |
More Illinois hail history
All Illinois cities & hail days →
Events count days with NOAA MRMS radar hail over Harrisburg (37.740, -88.550) 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.