◆ FRANKLIN GROVE, IL HAIL HISTORY · LEE COUNTY
Franklin Grove, IL hail history & hail map
Franklin Grove, Illinois has had 1 hail event in the past 5 years, with hail up to 1.75″ (Golf Ball). Most recent: Jul 10, 2025. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
1Hail events in the past 5 years
1.75″Largest recorded hail · Golf Ball
1.75″Largest ground report (within 3 mi)
1.25″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Franklin Grove, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Franklin Grove
| Date | Peak hail | Sources |
|---|---|---|
| Jul 10, 2025 | 1.75″ Golf Ball | Radar 1.25″ · 1 ground report (max 1.75″) |
More Illinois hail history
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Events count days with NOAA MRMS radar hail over Franklin Grove (41.806, -89.328) 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.