◆ BOULDER HILL, IL HAIL HISTORY · KENDALL COUNTY
Boulder Hill, IL hail history & hail map
Boulder Hill, Illinois has had 7 hail events in the past 5 years, with hail up to 3.00″ (Baseball). Most recent: Aug 9, 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
3.00″Largest recorded hail · Baseball
3.00″Largest ground report (within 3 mi)
1.25″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Boulder Hill, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Boulder Hill
| Date | Peak hail | Sources |
|---|---|---|
| Aug 9, 2026 | 0.75″ Penny | Radar 0.75″ |
| Mar 31, 2026 | 1.25″ Half Dollar | Radar 1.25″ · 2 ground reports (max 1.00″) |
| Mar 30, 2026 | 0.25″ Small | 1 ground report (max 0.25″) |
| Feb 28, 2024 | 0.88″ Nickel | 1 ground report (max 0.88″) |
| Apr 19, 2023 | 0.75″ Penny | 1 ground report (max 0.75″) |
| Apr 4, 2023 | 3.00″ Baseball | Radar 0.75″ · 13 ground reports (max 3.00″) |
| Sep 11, 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 Boulder Hill (41.710, -88.340) 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.