◆ DEKALB, IL HAIL HISTORY · DE KALB COUNTY
Dekalb, IL hail history & hail map
Dekalb, Illinois has had 9 hail events in the past 5 years, with hail up to 1.25″ (Half Dollar). 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
1.25″Largest recorded hail · Half Dollar
1.25″Largest ground report (within 3 mi)
1.25″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Dekalb, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Dekalb
| Date | Peak hail | Sources |
|---|---|---|
| Apr 15, 2026 | 1.25″ Half Dollar | 10 ground reports (max 1.25″) |
| Apr 14, 2026 | 0.38″ Small | 1 ground report (max 0.38″) |
| Aug 16, 2025 | 1.25″ Half Dollar | Radar 1.25″ |
| Mar 19, 2025 | 0.25″ Small | 1 ground report (max 0.25″) |
| Jun 25, 2024 | 0.25″ Small | 1 ground report (max 0.25″) |
| Jun 24, 2024 | 0.88″ Nickel | 1 ground report (max 0.88″) |
| May 7, 2024 | 0.25″ Small | 1 ground report (max 0.25″) |
| Feb 27, 2024 | 0.38″ Small | 1 ground report (max 0.38″) |
| Mar 23, 2023 | 0.25″ Small | 1 ground report (max 0.25″) |
More Illinois hail history
All Illinois cities & hail days →
Events count days with NOAA MRMS radar hail over Dekalb (41.950, -88.740) 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.