◆ ALGONQUIN, IL HAIL HISTORY · MCHENRY COUNTY
Algonquin, IL hail history & hail map
Algonquin, Illinois has had 7 hail events in the past 5 years, with hail up to 1.00″ (Quarter). Most recent: Jul 27, 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
1.00″Largest recorded hail · Quarter
1.00″Largest ground report (within 3 mi)
1.00″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Algonquin, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Algonquin
| Date | Peak hail | Sources |
|---|---|---|
| Jul 27, 2026 | 0.50″ Small | 1 ground report (max 0.50″) |
| Jun 24, 2026 | 1.00″ Quarter | 5 ground reports (max 1.00″) |
| Apr 14, 2026 | 0.50″ Small | 1 ground report (max 0.50″) |
| Mar 30, 2025 | 0.75″ Penny | 2 ground reports (max 0.75″) |
| Feb 27, 2024 | 0.50″ Small | 1 ground report (max 0.50″) |
| Apr 4, 2023 | 1.00″ Quarter | 2 ground reports (max 1.00″) |
| Sep 20, 2022 | 1.00″ Quarter | Radar 1.00″ |
More Illinois hail history
All Illinois cities & hail days →
Events count days with NOAA MRMS radar hail over Algonquin (42.170, -88.290) 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.