◆ WINSLOW, IL HAIL HISTORY · STEPHENSON COUNTY
Winslow, IL hail history & hail map
Winslow, Illinois has had 4 hail events in the past 5 years, with hail up to 3.00″ (Baseball). Most recent: Aug 17, 2025. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
4Hail events in the past 5 years
3.00″Largest recorded hail · Baseball
3.00″Largest ground report (within 3 mi)
1.50″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Winslow, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Winslow
| Date | Peak hail | Sources |
|---|---|---|
| Aug 17, 2025 | 3.00″ Baseball | Radar 1.50″ · 3 ground reports (max 3.00″) |
| Feb 8, 2024 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Jul 26, 2023 | 0.75″ Penny | Radar 0.75″ |
| Apr 5, 2023 | 1.75″ Golf Ball | 1 ground report (max 1.75″) |
More Illinois hail history
All Illinois cities & hail days →
Events count days with NOAA MRMS radar hail over Winslow (42.500, -89.800) 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.