◆ BELVIDERE, IL HAIL HISTORY · BOONE COUNTY
Belvidere, IL hail history & hail map
Belvidere, Illinois has had 9 hail events in the past 5 years, with hail up to 2.25″ (Golf Ball). Most recent: Apr 15, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
9Hail events in the past 5 years
2.25″Largest recorded hail · Golf Ball
1.75″Largest ground report (within 3 mi)
2.25″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Belvidere, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Belvidere
| Date | Peak hail | Sources |
|---|---|---|
| Apr 15, 2026 | 1.75″ Golf Ball | Radar 1.00″ · 4 ground reports (max 1.75″) |
| Aug 16, 2025 | 2.25″ Golf Ball | Radar 2.25″ · 2 ground reports (max 1.00″) |
| May 17, 2025 | 0.70″ Small | 1 ground report (max 0.70″) |
| May 15, 2025 | 1.00″ Quarter | 4 ground reports (max 1.00″) |
| Jul 15, 2024 | 0.25″ Small | 1 ground report (max 0.25″) |
| Jul 14, 2024 | 0.75″ Penny | 1 ground report (max 0.75″) |
| Jun 29, 2023 | 1.00″ Quarter | 4 ground reports (max 1.00″) |
| Jul 23, 2022 | 0.50″ Small | 1 ground report (max 0.50″) |
| Apr 30, 2022 | 1.00″ Quarter | 2 ground reports (max 1.00″) |
More Illinois hail history
All Illinois cities & hail days →
Events count days with NOAA MRMS radar hail over Belvidere (42.260, -88.850) 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.